#include <stdio.h>
#include <stdlib.h>

static int atbol;
static int atcr;
static char first[5];

int main(void);
int main(void)
{
 int c;
 int i;

 for (i=0;i<5;i++)
  { c = getchar();
    if (c == EOF)
     { if (i > 0) fwrite(&first[0],1,i,stdout);
       exit(0);
     }
    first[i] = c;
  }
 if ( (first[0] == 'H') &&
      (first[1] == 'T') &&
      (first[2] == 'T') &&
      (first[3] == 'P') &&
      (first[4] == '/') )
  { atbol = 0;
    atcr = 0;
    while (1)
     { c = getchar();
       if (c == EOF) exit(0);
       if (c == '\r')
	{ atcr = 1;
	  continue;
	}
       if ((c == '\n') && atbol) break;
       atcr = 0;
       atbol = (c == '\n');
     }
  }
 else
  { fwrite(&first[0],1,5,stdout);
  }
 while (1)
  { c = getchar();
    if (c == EOF) exit(0);
    putchar(c);
  }
}