#include <stdio.h>

int main(void) {

  double x, y;
  int is_x_smaller_than_y;

  printf("Enter two real numbers: ");
  scanf("%lf %lf", &x, &y);

  /* Find out if x is less than y - in a primitive way ... */
  if (x < y)
    is_x_smaller_than_y = 1; 
  else
    is_x_smaller_than_y = 0; 

  /* Print result */
  if (is_x_smaller_than_y)
    printf("%f is smaller than %f\n", x, y);
  else
    printf("%f is greater than or equal to %f\n", x, y);

  return 0;
}