#include <stdio.h>

int main(void){
  int nr;
  FILE *f;
  f=fopen("andmed.dat", "rb");
  if(!f){
    printf("Probleem faili avamisega.\n");
    return 1;
  }
  fread(&nr, sizeof(int), 1, f);
  printf("%d\n", nr);
  fclose(f);
}