/*#include<stdio.h>

int mgetline(char s[];int lim) {
    int i ,c;
    while (i=0; i<lim-1 && ((c=getchar())!=EOF) && c!="\n"))
        s[i]=c;
    if (c=="\n" || c==EOF){
        s[i]="\n"
        i++ }
        s[i]="\0";
 return i;
}

void remove  (char to [] ,char from[] ) {
    int i,j;
    i=j=0;
    while (s[j]!="\0"){

        if

int main ()
{

 return 0;

}*/
#include<stdio.h>
#define MAXLINE 1000

int mgetline(char line[],int lim);
int removetrail(char rline[]);

int main(void)
{
  int len;
  char line[MAXLINE];

  while((len=mgetline(line,MAXLINE))>0)
    if(removetrail(line) > 0)
      printf("%s",line);

  return 0;
}

int mgetline(char s[],int lim)
{
  int i,c;

  for(i=0;i<lim-1 && (c=getchar())!=EOF && c!='\n';++i)
    s[i] = c;
  if( c == '\n')
  {
    s[i]=c;
    ++i;
  }
  s[i]='\0';

  return i;
}

/* To remove Trailing Blanks,tabs. Go to End and proceed backwards removing */

int removetrail(char s[])
{
  int i;

  for(i=0; s[i]!='\n'; ++i)
    ;
  --i;  /* To consider raw line without \n */

  for(i >0; ((s[i] == ' ') || (s[i] =='\t'));--i)
    ; /* Removing the Trailing Blanks and Tab Spaces */

  if( i >= 0) /* Non Empty Line */
  {
    ++i;
    s[i] = '\n';
    ++i;
    s[i] = '\0';
  }
  return i;
}