typedef signed char __int8_t;
typedef unsigned char __uint8_t;
typedef short int __int16_t;
typedef short unsigned int __uint16_t;
typedef int __int32_t;
typedef unsigned int __uint32_t;
typedef long long int __int64_t;
typedef long long unsigned int __uint64_t;
typedef signed char __int_least8_t;
typedef unsigned char __uint_least8_t;
typedef short int __int_least16_t;
typedef short unsigned int __uint_least16_t;
typedef int __int_least32_t;
typedef unsigned int __uint_least32_t;
typedef long long int __int_least64_t;
typedef long long unsigned int __uint_least64_t;
typedef int __intptr_t;
typedef unsigned int __uintptr_t;
typedef unsigned int size_t;
typedef int ptrdiff_t;
typedef short unsigned int wchar_t;
typedef __builtin_va_list __gnuc_va_list;
typedef void *_LOCK_T;
void __cygwin_lock_init(_LOCK_T *);
void __cygwin_lock_init_recursive(_LOCK_T *);
void __cygwin_lock_fini(_LOCK_T *);
void __cygwin_lock_lock(_LOCK_T *);
int __cygwin_lock_trylock(_LOCK_T *);
void __cygwin_lock_unlock(_LOCK_T *);
typedef long _off_t;
typedef short __dev_t;
typedef unsigned short __uid_t;
typedef unsigned short __gid_t;
__extension__ typedef long long _off64_t;
typedef long _fpos_t;
typedef _off64_t _fpos64_t;
typedef signed int _ssize_t;
typedef unsigned int wint_t;
typedef struct
{
    int __count;
    union
    {
        wint_t __wch;
        unsigned char __wchb[4];
    } __value;
} _mbstate_t;
typedef _LOCK_T _flock_t;
typedef void *_iconv_t;
typedef unsigned long __ULong;
struct _reent;
struct _Bigint
{
    struct _Bigint *_next;
    int _k, _maxwds, _sign, _wds;
    __ULong _x[1];
};
struct __tm
{
    int __tm_sec;
    int __tm_min;
    int __tm_hour;
    int __tm_mday;
    int __tm_mon;
    int __tm_year;
    int __tm_wday;
    int __tm_yday;
    int __tm_isdst;
};
struct _on_exit_args {
    void * _fnargs[32];
    void * _dso_handle[32];
    __ULong _fntypes;
    __ULong _is_cxa;
};
struct _atexit {
    struct _atexit *_next;
    int _ind;
    void (*_fns[32])(void);
    struct _on_exit_args _on_exit_args;
};
struct __sbuf {
    unsigned char *_base;
    int _size;
};
struct __sFILE {
    unsigned char *_p;
    int _r;
    int _w;
    short _flags;
    short _file;
    struct __sbuf _bf;
    int _lbfsize;
    void * _cookie;
    _ssize_t (__attribute__((__cdecl__)) * _read) (struct _reent *, void *, char *, size_t)
    ;
    _ssize_t (__attribute__((__cdecl__)) * _write) (struct _reent *, void *, const char *, size_t)
    ;
    _fpos_t (__attribute__((__cdecl__)) * _seek) (struct _reent *, void *, _fpos_t, int);
    int (__attribute__((__cdecl__)) * _close) (struct _reent *, void *);
    struct __sbuf _ub;
    unsigned char *_up;
    int _ur;
    unsigned char _ubuf[3];
    unsigned char _nbuf[1];
    struct __sbuf _lb;
    int _blksize;
    _off_t _offset;
    struct _reent *_data;
    _flock_t _lock;
    _mbstate_t _mbstate;
    int _flags2;
};
struct __sFILE64 {
    unsigned char *_p;
    int _r;
    int _w;
    short _flags;
    short _file;
    struct __sbuf _bf;
    int _lbfsize;
    struct _reent *_data;
    void * _cookie;
    _ssize_t (__attribute__((__cdecl__)) * _read) (struct _reent *, void *, char *, size_t)
    ;
    _ssize_t (__attribute__((__cdecl__)) * _write) (struct _reent *, void *, const char *, size_t)
    ;
    _fpos_t (__attribute__((__cdecl__)) * _seek) (struct _reent *, void *, _fpos_t, int);
    int (__attribute__((__cdecl__)) * _close) (struct _reent *, void *);
    struct __sbuf _ub;
    unsigned char *_up;
    int _ur;
    unsigned char _ubuf[3];
    unsigned char _nbuf[1];
    struct __sbuf _lb;
    int _blksize;
    int _flags2;
    _off64_t _offset;
    _fpos64_t (__attribute__((__cdecl__)) * _seek64) (struct _reent *, void *, _fpos64_t, int);
    _flock_t _lock;
    _mbstate_t _mbstate;
};
typedef struct __sFILE64 __FILE;
struct _glue
{
    struct _glue *_next;
    int _niobs;
    __FILE *_iobs;
};
struct _rand48 {
    unsigned short _seed[3];
    unsigned short _mult[3];
    unsigned short _add;
};
struct _reent
{
    int _errno;
    __FILE *_stdin, *_stdout, *_stderr;
    int _inc;
    char _emergency[25];
    int _current_category;
    const char *_current_locale;
    int __sdidinit;
    void (__attribute__((__cdecl__)) * __cleanup) (struct _reent *);
    struct _Bigint *_result;
    int _result_k;
    struct _Bigint *_p5s;
    struct _Bigint **_freelist;
    int _cvtlen;
    char *_cvtbuf;
    union
    {
        struct
        {
            unsigned int _unused_rand;
            char * _strtok_last;
            char _asctime_buf[26];
            struct __tm _localtime_buf;
            int _gamma_signgam;
            __extension__ unsigned long long _rand_next;
            struct _rand48 _r48;
            _mbstate_t _mblen_state;
            _mbstate_t _mbtowc_state;
            _mbstate_t _wctomb_state;
            char _l64a_buf[8];
            char _signal_buf[24];
            int _getdate_err;
            _mbstate_t _mbrlen_state;
            _mbstate_t _mbrtowc_state;
            _mbstate_t _mbsrtowcs_state;
            _mbstate_t _wcrtomb_state;
            _mbstate_t _wcsrtombs_state;
            int _h_errno;
        } _reent;
        struct
        {
            unsigned char * _nextf[30];
            unsigned int _nmalloc[30];
        } _unused;
    } _new;
    struct _atexit *_atexit;
    struct _atexit _atexit0;
    void (**(_sig_func))(int);
    struct _glue __sglue;
    __FILE __sf[3];
};
extern struct _reent *_impure_ptr ;
extern struct _reent *const _global_impure_ptr ;
void _reclaim_reent (struct _reent *);
struct _reent * __attribute__((__cdecl__)) __getreent (void);
typedef long int __off_t;
typedef int __pid_t;
__extension__ typedef long long int __loff_t;
typedef unsigned char u_char;
typedef unsigned short u_short;
typedef unsigned int u_int;
typedef unsigned long u_long;
typedef unsigned short ushort;
typedef unsigned int uint;
typedef unsigned long ulong;
typedef unsigned long clock_t;
typedef long time_t;
struct timespec {
    time_t tv_sec;
    long tv_nsec;
};
struct itimerspec {
    struct timespec it_interval;
    struct timespec it_value;
};
typedef long daddr_t;
typedef char * caddr_t;
typedef int pid_t;
typedef _ssize_t ssize_t;
typedef unsigned short nlink_t;
typedef long fd_mask;
typedef struct _types_fd_set {
    fd_mask fds_bits[(((64)+(((sizeof (fd_mask) * 8))-1))/((sizeof (fd_mask) * 8)))];
} _types_fd_set;
typedef unsigned long clockid_t;
typedef unsigned long timer_t;
typedef unsigned long useconds_t;
typedef long suseconds_t;
typedef signed char int8_t;
typedef short int16_t;
typedef int int32_t;
typedef long long int64_t;
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
typedef unsigned long long uint64_t;
typedef signed char int_least8_t;
typedef short int_least16_t;
typedef int int_least32_t;
typedef long long int_least64_t;
typedef unsigned char uint_least8_t;
typedef unsigned short uint_least16_t;
typedef unsigned int uint_least32_t;
typedef unsigned long long uint_least64_t;
typedef signed char int_fast8_t;
typedef int int_fast16_t;
typedef int int_fast32_t;
typedef long long int_fast64_t;
typedef unsigned char uint_fast8_t;
typedef unsigned int uint_fast16_t;
typedef unsigned int uint_fast32_t;
typedef unsigned long long uint_fast64_t;
typedef int intptr_t;
typedef unsigned int uintptr_t;
typedef long long intmax_t;
typedef unsigned long long uintmax_t;
static __inline unsigned short
bswap_16 (unsigned short __x)
{
    return (__x >> 8) | (__x << 8);
}
static __inline unsigned int
bswap_32 (unsigned int __x)
{
    return (bswap_16 (__x & 0xffff) << 16) | (bswap_16 (__x >> 16));
}
static __inline unsigned long long
bswap_64 (unsigned long long __x)
{
    return (((unsigned long long) bswap_32 (__x & 0xffffffffull)) << 32) | (bswap_32 (__x >> 32));
}
typedef struct timespec timespec_t;
typedef struct timespec timestruc_t;
typedef _off64_t off_t;
typedef __loff_t loff_t;
typedef __int16_t __dev16_t;
typedef __uint32_t dev_t;
typedef __int32_t blksize_t;
typedef __int32_t __blkcnt32_t;
typedef __int64_t blkcnt_t;
typedef unsigned long fsblkcnt_t;
typedef unsigned long fsfilcnt_t;
typedef unsigned short __uid16_t;
typedef __uint32_t uid_t;
typedef unsigned short __gid16_t;
typedef __uint32_t gid_t;
typedef __uint32_t __ino32_t;
typedef __uint64_t ino_t;
typedef __uint32_t id_t;
struct flock {
    short l_type;
    short l_whence;
    off_t l_start;
    off_t l_len;
    pid_t l_pid;
};
typedef long long key_t;
typedef unsigned long vm_offset_t;
typedef unsigned long vm_size_t;
typedef void *vm_object_t;
typedef unsigned char u_int8_t;
typedef __uint16_t u_int16_t;
typedef __uint32_t u_int32_t;
typedef __uint64_t u_int64_t;
typedef __int32_t register_t;
typedef char *addr_t;
typedef unsigned mode_t;
typedef struct __pthread_t {char __dummy;} *pthread_t;
typedef struct __pthread_mutex_t {char __dummy;} *pthread_mutex_t;
typedef struct __pthread_key_t {char __dummy;} *pthread_key_t;
typedef struct __pthread_attr_t {char __dummy;} *pthread_attr_t;
typedef struct __pthread_mutexattr_t {char __dummy;} *pthread_mutexattr_t;
typedef struct __pthread_condattr_t {char __dummy;} *pthread_condattr_t;
typedef struct __pthread_cond_t {char __dummy;} *pthread_cond_t;
typedef struct
{
    pthread_mutex_t mutex;
    int state;
}
pthread_once_t;
typedef struct __pthread_spinlock_t {char __dummy;} *pthread_spinlock_t;
typedef struct __pthread_rwlock_t {char __dummy;} *pthread_rwlock_t;
typedef struct __pthread_rwlockattr_t {char __dummy;} *pthread_rwlockattr_t;
extern __inline__ __attribute__ ((__always_inline__)) int gnu_dev_major(dev_t);
extern __inline__ __attribute__ ((__always_inline__)) int gnu_dev_minor(dev_t);
extern __inline__ __attribute__ ((__always_inline__)) dev_t gnu_dev_makedev(int, int);
extern __inline__ __attribute__ ((__always_inline__)) int
gnu_dev_major(dev_t dev)
{
    return (int)(((dev) >> 16) & 0xffff);
}
extern __inline__ __attribute__ ((__always_inline__)) int
gnu_dev_minor(dev_t dev)
{
    return (int)((dev) & 0xffff);
}
extern __inline__ __attribute__ ((__always_inline__)) dev_t
gnu_dev_makedev(int maj, int min)
{
    return (((maj) << 16) | ((min) & 0xffff));
}
typedef __FILE FILE;
typedef _fpos64_t fpos_t;
ssize_t __attribute__((__cdecl__)) getline (char **, size_t *, FILE *);
ssize_t __attribute__((__cdecl__)) getdelim (char **, size_t *, int, FILE *);
FILE * __attribute__((__cdecl__)) tmpfile (void);
char * __attribute__((__cdecl__)) tmpnam (char *);
int __attribute__((__cdecl__)) fclose (FILE *);
int __attribute__((__cdecl__)) fflush (FILE *);
FILE * __attribute__((__cdecl__)) freopen (const char *, const char *, FILE *);
void __attribute__((__cdecl__)) setbuf (FILE *, char *);
int __attribute__((__cdecl__)) setvbuf (FILE *, char *, int, size_t);
int __attribute__((__cdecl__)) fprintf (FILE *, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3)))
;
int __attribute__((__cdecl__)) fscanf (FILE *, const char *, ...) __attribute__ ((__format__ (__scanf__, 2, 3)))
;
int __attribute__((__cdecl__)) printf (const char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)))
;
int __attribute__((__cdecl__)) scanf (const char *, ...) __attribute__ ((__format__ (__scanf__, 1, 2)))
;
int __attribute__((__cdecl__)) sscanf (const char *, const char *, ...) __attribute__ ((__format__ (__scanf__, 2, 3)))
;
int __attribute__((__cdecl__)) vfprintf (FILE *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 2, 0)))
;
int __attribute__((__cdecl__)) vprintf (const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 1, 0)))
;
int __attribute__((__cdecl__)) vsprintf (char *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 2, 0)))
;
int __attribute__((__cdecl__)) fgetc (FILE *);
char * __attribute__((__cdecl__)) fgets (char *, int, FILE *);
int __attribute__((__cdecl__)) fputc (int, FILE *);
int __attribute__((__cdecl__)) fputs (const char *, FILE *);
int __attribute__((__cdecl__)) getc (FILE *);
int __attribute__((__cdecl__)) getchar (void);
char * __attribute__((__cdecl__)) gets (char *);
int __attribute__((__cdecl__)) putc (int, FILE *);
int __attribute__((__cdecl__)) putchar (int);
int __attribute__((__cdecl__)) puts (const char *);
int __attribute__((__cdecl__)) ungetc (int, FILE *);
size_t __attribute__((__cdecl__)) fread (void * , size_t _size, size_t _n, FILE *);
size_t __attribute__((__cdecl__)) fwrite (const void * , size_t _size, size_t _n, FILE *);
int __attribute__((__cdecl__)) fgetpos (FILE *, fpos_t *);
int __attribute__((__cdecl__)) fseek (FILE *, long, int);
int __attribute__((__cdecl__)) fsetpos (FILE *, const fpos_t *);
long __attribute__((__cdecl__)) ftell ( FILE *);
void __attribute__((__cdecl__)) rewind (FILE *);
void __attribute__((__cdecl__)) clearerr (FILE *);
int __attribute__((__cdecl__)) feof (FILE *);
int __attribute__((__cdecl__)) ferror (FILE *);
void __attribute__((__cdecl__)) perror (const char *);
FILE * __attribute__((__cdecl__)) fopen (const char * _name, const char * _type);
int __attribute__((__cdecl__)) sprintf (char *, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3)))
;
int __attribute__((__cdecl__)) remove (const char *);
int __attribute__((__cdecl__)) rename (const char *, const char *);
int __attribute__((__cdecl__)) fseeko (FILE *, off_t, int);
off_t __attribute__((__cdecl__)) ftello ( FILE *);
int __attribute__((__cdecl__)) asiprintf (char **, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3)))
;
char * __attribute__((__cdecl__)) asniprintf (char *, size_t *, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
char * __attribute__((__cdecl__)) asnprintf (char *, size_t *, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
int __attribute__((__cdecl__)) asprintf (char **, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3)))
;
int __attribute__((__cdecl__)) diprintf (int, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3)))
;
int __attribute__((__cdecl__)) fcloseall (void);
int __attribute__((__cdecl__)) fiprintf (FILE *, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3)))
;
int __attribute__((__cdecl__)) fiscanf (FILE *, const char *, ...) __attribute__ ((__format__ (__scanf__, 2, 3)))
;
int __attribute__((__cdecl__)) iprintf (const char *, ...) __attribute__ ((__format__ (__printf__, 1, 2)))
;
int __attribute__((__cdecl__)) iscanf (const char *, ...) __attribute__ ((__format__ (__scanf__, 1, 2)))
;
int __attribute__((__cdecl__)) siprintf (char *, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3)))
;
int __attribute__((__cdecl__)) siscanf (const char *, const char *, ...) __attribute__ ((__format__ (__scanf__, 2, 3)))
;
int __attribute__((__cdecl__)) snprintf (char *, size_t, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
int __attribute__((__cdecl__)) sniprintf (char *, size_t, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
char * __attribute__((__cdecl__)) tempnam (const char *, const char *);
int __attribute__((__cdecl__)) vasiprintf (char **, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 2, 0)))
;
char * __attribute__((__cdecl__)) vasniprintf (char *, size_t *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
char * __attribute__((__cdecl__)) vasnprintf (char *, size_t *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
int __attribute__((__cdecl__)) vasprintf (char **, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 2, 0)))
;
int __attribute__((__cdecl__)) vdiprintf (int, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 2, 0)))
;
int __attribute__((__cdecl__)) vfiprintf (FILE *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 2, 0)))
;
int __attribute__((__cdecl__)) vfiscanf (FILE *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 2, 0)))
;
int __attribute__((__cdecl__)) vfscanf (FILE *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 2, 0)))
;
int __attribute__((__cdecl__)) viprintf (const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 1, 0)))
;
int __attribute__((__cdecl__)) viscanf (const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 1, 0)))
;
int __attribute__((__cdecl__)) vscanf (const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 1, 0)))
;
int __attribute__((__cdecl__)) vsiprintf (char *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 2, 0)))
;
int __attribute__((__cdecl__)) vsiscanf (const char *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 2, 0)))
;
int __attribute__((__cdecl__)) vsniprintf (char *, size_t, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
int __attribute__((__cdecl__)) vsnprintf (char *, size_t, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
int __attribute__((__cdecl__)) vsscanf (const char *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 2, 0)))
;
FILE * __attribute__((__cdecl__)) fdopen (int, const char *);
int __attribute__((__cdecl__)) fileno (FILE *);
int __attribute__((__cdecl__)) getw (FILE *);
int __attribute__((__cdecl__)) pclose (FILE *);
FILE * __attribute__((__cdecl__)) popen (const char *, const char *);
int __attribute__((__cdecl__)) putw (int, FILE *);
void __attribute__((__cdecl__)) setbuffer (FILE *, char *, int);
int __attribute__((__cdecl__)) setlinebuf (FILE *);
int __attribute__((__cdecl__)) getc_unlocked (FILE *);
int __attribute__((__cdecl__)) getchar_unlocked (void);
void __attribute__((__cdecl__)) flockfile (FILE *);
int __attribute__((__cdecl__)) ftrylockfile (FILE *);
void __attribute__((__cdecl__)) funlockfile (FILE *);
int __attribute__((__cdecl__)) putc_unlocked (int, FILE *);
int __attribute__((__cdecl__)) putchar_unlocked (int);
int __attribute__((__cdecl__)) dprintf (int, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3)))
;
FILE * __attribute__((__cdecl__)) fmemopen (void *, size_t, const char *);
FILE * __attribute__((__cdecl__)) open_memstream (char **, size_t *);
int __attribute__((__cdecl__)) renameat (int, const char *, int, const char *);
int __attribute__((__cdecl__)) vdprintf (int, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 2, 0)))
;
int __attribute__((__cdecl__)) _asiprintf_r (struct _reent *, char **, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
char * __attribute__((__cdecl__)) _asniprintf_r (struct _reent *, char *, size_t *, const char *, ...) __attribute__ ((__format__ (__printf__, 4, 5)))
;
char * __attribute__((__cdecl__)) _asnprintf_r (struct _reent *, char *, size_t *, const char *, ...) __attribute__ ((__format__ (__printf__, 4, 5)))
;
int __attribute__((__cdecl__)) _asprintf_r (struct _reent *, char **, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
int __attribute__((__cdecl__)) _diprintf_r (struct _reent *, int, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
int __attribute__((__cdecl__)) _dprintf_r (struct _reent *, int, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
int __attribute__((__cdecl__)) _fclose_r (struct _reent *, FILE *);
int __attribute__((__cdecl__)) _fcloseall_r (struct _reent *);
FILE * __attribute__((__cdecl__)) _fdopen_r (struct _reent *, int, const char *);
int __attribute__((__cdecl__)) _fflush_r (struct _reent *, FILE *);
int __attribute__((__cdecl__)) _fgetc_r (struct _reent *, FILE *);
char * __attribute__((__cdecl__)) _fgets_r (struct _reent *, char *, int, FILE *);
int __attribute__((__cdecl__)) _fgetpos_r (struct _reent *, FILE *, fpos_t *);
int __attribute__((__cdecl__)) _fsetpos_r (struct _reent *, FILE *, const fpos_t *);
int __attribute__((__cdecl__)) _fiprintf_r (struct _reent *, FILE *, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
int __attribute__((__cdecl__)) _fiscanf_r (struct _reent *, FILE *, const char *, ...) __attribute__ ((__format__ (__scanf__, 3, 4)))
;
FILE * __attribute__((__cdecl__)) _fmemopen_r (struct _reent *, void *, size_t, const char *);
FILE * __attribute__((__cdecl__)) _fopen_r (struct _reent *, const char *, const char *);
FILE * __attribute__((__cdecl__)) _freopen_r (struct _reent *, const char *, const char *, FILE *);
int __attribute__((__cdecl__)) _fprintf_r (struct _reent *, FILE *, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
int __attribute__((__cdecl__)) _fpurge_r (struct _reent *, FILE *);
int __attribute__((__cdecl__)) _fputc_r (struct _reent *, int, FILE *);
int __attribute__((__cdecl__)) _fputs_r (struct _reent *, const char *, FILE *);
size_t __attribute__((__cdecl__)) _fread_r (struct _reent *, void * , size_t _size, size_t _n, FILE *);
int __attribute__((__cdecl__)) _fscanf_r (struct _reent *, FILE *, const char *, ...) __attribute__ ((__format__ (__scanf__, 3, 4)))
;
int __attribute__((__cdecl__)) _fseek_r (struct _reent *, FILE *, long, int);
int __attribute__((__cdecl__)) _fseeko_r (struct _reent *, FILE *, _off_t, int);
long __attribute__((__cdecl__)) _ftell_r (struct _reent *, FILE *);
_off_t __attribute__((__cdecl__)) _ftello_r (struct _reent *, FILE *);
void __attribute__((__cdecl__)) _rewind_r (struct _reent *, FILE *);
size_t __attribute__((__cdecl__)) _fwrite_r (struct _reent *, const void * , size_t _size, size_t _n, FILE *);
int __attribute__((__cdecl__)) _getc_r (struct _reent *, FILE *);
int __attribute__((__cdecl__)) _getc_unlocked_r (struct _reent *, FILE *);
int __attribute__((__cdecl__)) _getchar_r (struct _reent *);
int __attribute__((__cdecl__)) _getchar_unlocked_r (struct _reent *);
char * __attribute__((__cdecl__)) _gets_r (struct _reent *, char *);
int __attribute__((__cdecl__)) _iprintf_r (struct _reent *, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3)))
;
int __attribute__((__cdecl__)) _iscanf_r (struct _reent *, const char *, ...) __attribute__ ((__format__ (__scanf__, 2, 3)))
;
FILE * __attribute__((__cdecl__)) _open_memstream_r (struct _reent *, char **, size_t *);
void __attribute__((__cdecl__)) _perror_r (struct _reent *, const char *);
int __attribute__((__cdecl__)) _printf_r (struct _reent *, const char *, ...) __attribute__ ((__format__ (__printf__, 2, 3)))
;
int __attribute__((__cdecl__)) _putc_r (struct _reent *, int, FILE *);
int __attribute__((__cdecl__)) _putc_unlocked_r (struct _reent *, int, FILE *);
int __attribute__((__cdecl__)) _putchar_unlocked_r (struct _reent *, int);
int __attribute__((__cdecl__)) _putchar_r (struct _reent *, int);
int __attribute__((__cdecl__)) _puts_r (struct _reent *, const char *);
int __attribute__((__cdecl__)) _remove_r (struct _reent *, const char *);
int __attribute__((__cdecl__)) _rename_r (struct _reent *, const char *_old, const char *_new)
;
int __attribute__((__cdecl__)) _scanf_r (struct _reent *, const char *, ...) __attribute__ ((__format__ (__scanf__, 2, 3)))
;
int __attribute__((__cdecl__)) _siprintf_r (struct _reent *, char *, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
int __attribute__((__cdecl__)) _siscanf_r (struct _reent *, const char *, const char *, ...) __attribute__ ((__format__ (__scanf__, 3, 4)))
;
int __attribute__((__cdecl__)) _sniprintf_r (struct _reent *, char *, size_t, const char *, ...) __attribute__ ((__format__ (__printf__, 4, 5)))
;
int __attribute__((__cdecl__)) _snprintf_r (struct _reent *, char *, size_t, const char *, ...) __attribute__ ((__format__ (__printf__, 4, 5)))
;
int __attribute__((__cdecl__)) _sprintf_r (struct _reent *, char *, const char *, ...) __attribute__ ((__format__ (__printf__, 3, 4)))
;
int __attribute__((__cdecl__)) _sscanf_r (struct _reent *, const char *, const char *, ...) __attribute__ ((__format__ (__scanf__, 3, 4)))
;
char * __attribute__((__cdecl__)) _tempnam_r (struct _reent *, const char *, const char *);
FILE * __attribute__((__cdecl__)) _tmpfile_r (struct _reent *);
char * __attribute__((__cdecl__)) _tmpnam_r (struct _reent *, char *);
int __attribute__((__cdecl__)) _ungetc_r (struct _reent *, int, FILE *);
int __attribute__((__cdecl__)) _vasiprintf_r (struct _reent *, char **, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
char * __attribute__((__cdecl__)) _vasniprintf_r (struct _reent*, char *, size_t *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 4, 0)))
;
char * __attribute__((__cdecl__)) _vasnprintf_r (struct _reent*, char *, size_t *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 4, 0)))
;
int __attribute__((__cdecl__)) _vasprintf_r (struct _reent *, char **, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
int __attribute__((__cdecl__)) _vdiprintf_r (struct _reent *, int, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
int __attribute__((__cdecl__)) _vdprintf_r (struct _reent *, int, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
int __attribute__((__cdecl__)) _vfiprintf_r (struct _reent *, FILE *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
int __attribute__((__cdecl__)) _vfiscanf_r (struct _reent *, FILE *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 3, 0)))
;
int __attribute__((__cdecl__)) _vfprintf_r (struct _reent *, FILE *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
int __attribute__((__cdecl__)) _vfscanf_r (struct _reent *, FILE *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 3, 0)))
;
int __attribute__((__cdecl__)) _viprintf_r (struct _reent *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 2, 0)))
;
int __attribute__((__cdecl__)) _viscanf_r (struct _reent *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 2, 0)))
;
int __attribute__((__cdecl__)) _vprintf_r (struct _reent *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 2, 0)))
;
int __attribute__((__cdecl__)) _vscanf_r (struct _reent *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 2, 0)))
;
int __attribute__((__cdecl__)) _vsiprintf_r (struct _reent *, char *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
int __attribute__((__cdecl__)) _vsiscanf_r (struct _reent *, const char *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 3, 0)))
;
int __attribute__((__cdecl__)) _vsniprintf_r (struct _reent *, char *, size_t, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 4, 0)))
;
int __attribute__((__cdecl__)) _vsnprintf_r (struct _reent *, char *, size_t, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 4, 0)))
;
int __attribute__((__cdecl__)) _vsprintf_r (struct _reent *, char *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__printf__, 3, 0)))
;
int __attribute__((__cdecl__)) _vsscanf_r (struct _reent *, const char *, const char *, __gnuc_va_list) __attribute__ ((__format__ (__scanf__, 3, 0)))
;
int __attribute__((__cdecl__)) fpurge (FILE *);
ssize_t __attribute__((__cdecl__)) __getdelim (char **, size_t *, int, FILE *);
ssize_t __attribute__((__cdecl__)) __getline (char **, size_t *, FILE *);
int __attribute__((__cdecl__)) __srget_r (struct _reent *, FILE *);
int __attribute__((__cdecl__)) __swbuf_r (struct _reent *, int, FILE *);
FILE *__attribute__((__cdecl__)) funopen (const void * __cookie, int (*__readfn)(void * __c, char *__buf, size_t __n), int (*__writefn)(void * __c, const char *__buf, size_t __n), _fpos64_t (*__seekfn)(void * __c, _fpos64_t __off, int __whence), int (*__closefn)(void * __c))
;
FILE *__attribute__((__cdecl__)) _funopen_r (struct _reent *, const void * __cookie, int (*__readfn)(void * __c, char *__buf, size_t __n), int (*__writefn)(void * __c, const char *__buf, size_t __n), _fpos64_t (*__seekfn)(void * __c, _fpos64_t __off, int __whence), int (*__closefn)(void * __c))
;
typedef ssize_t cookie_read_function_t(void *__cookie, char *__buf, size_t __n);
typedef ssize_t cookie_write_function_t(void *__cookie, const char *__buf,
size_t __n);
typedef int cookie_seek_function_t(void *__cookie, _off64_t *__off,
int __whence);
typedef int cookie_close_function_t(void *__cookie);
typedef struct
{
    cookie_read_function_t *read;
    cookie_write_function_t *write;
    cookie_seek_function_t *seek;
    cookie_close_function_t *close;
} cookie_io_functions_t;
FILE *__attribute__((__cdecl__)) fopencookie (void *__cookie, const char *__mode, cookie_io_functions_t __functions)
;
FILE *__attribute__((__cdecl__)) _fopencookie_r (struct _reent *, void *__cookie, const char *__mode, cookie_io_functions_t __functions)
;
extern __inline__ __attribute__ ((__always_inline__)) int __sgetc_r(struct _reent *__ptr, FILE *__p);
extern __inline__ __attribute__ ((__always_inline__)) int __sgetc_r(struct _reent *__ptr, FILE *__p)
{
    int __c = (--(__p)->_r < 0 ? __srget_r(__ptr, __p) : (int)(*(__p)->_p++));
    if ((__p->_flags & 0x4000) && (__c == '\r'))
    {
        int __c2 = (--(__p)->_r < 0 ? __srget_r(__ptr, __p) : (int)(*(__p)->_p++));
        if (__c2 == '\n')
        __c = __c2;
        else
        ungetc(__c2, __p);
    }
    return __c;
}
int main() {
    printf("hello");
}