Template

#include <bits/stdc++.h>

using namespace std;

#define FILE ""
#define FILEIO 0
#define LONG 0
#define IOSOPT 0

#if LONG
    typedef long long ll;
    typedef unsigned long long ull;
#else // LONG
    typedef int ll;
    typedef unsigned int ull;
#endif
typedef short sym;
#define pb push_back
#define mp make_pair
#define p(a, b) pair < a, b >
#define rev(a) reverse(a.begin(), a.end())
#define ord(a) sort(a.begin(), a.end())
#define rm erase
#define rs resize
#define sz size
#define fi first
#define se second
#define ins insert
#define die(a) \
    { \
        cout << a << endl; \
        exit(0); \
    }
#define stlprint(a) \
    for(auto _STL_ITER = a.begin(); _STL_ITER != a.end(); _STL_ITER++) \
    { \
        cout << (*_STL_ITER) << ' '; \
    }

main()
{
    #if IOSOPT
        ios_base::sync_with_stdio(0);
        cin.tie(0);
    #endif // IOSOPT
    #if FILEIO
        freopen(FILE".in", "r", stdin);
        freopen(FILE".out", "w", stdout);
    #endif
}