#include <stdio.h>

int main(void) {

  double x, y, max;

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

  /* Find the maximum of x and y */
  max = (x < y) ? y : x;   

  printf("The maximum of x and y is %12.8f\n", max);
  
  return 0;
}