#include <unistd.h>
#include <stdio.h>
#include <stdlib.h>
char flag[50];
int init(){
  setvbuf(stdout, 0LL, 2, 0LL);
  setvbuf(stderr, 0LL, 2, 0LL);

  FILE * f=fopen("/home/ctf/flag","rb");
  if (f==0){
    puts("Can't find my flag >..< Exiting...");
    exit(0);
  }
  fread(&flag,1,50,f);
  fclose(f);
  f=0;
}

int main(){
    init();
    char buf[512];
    while(1){
        fgets(buf,512,stdin);
        printf(buf);
    }
}