#include <ctype.h>
#include <stdio.h>
#include <string.h>

#define MAX 128

// tipareste liniile care contin cuvantul ce[]
// limitare: desparte liniile mai lungi de MAX

int main(void)
{ 
  char lin[MAX];
  char ce[] = "char";
  while (fgets(lin, MAX, stdin))
    if (strstr(lin, ce))
      fputs(lin, stdout);
  return 0;
}