#include <stdio.h>
    
main() 
{
  int x, y;
  x = 15000;  
  printf("withdrawal: how much? ");
  scanf("%d", &y);
  if (y <= x) {
    x = x - y;
    printf("balance --- %d yen \n", x);
  } else {
    printf("You cannot withdraw %d yen. \n", y);
  }
}