#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 */
  if (x < y)
  {   
    max = y;
  }
  else
  {   
    max = x;
  }      

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