#include <stdio.h>
double
bigger (double n1, double n2)
{
double big;
if (n1>n2)
big = n1;
else
big = n2;
return (big);
}
int
main (void)
{
double x, y, result;
printf ("Enter a real number: ");
scanf ("%lf", &x);
printf ("Enter a real number: ");
scanf ("%lf", &y);
result = bigger (x,y);
printf ("The bigger number is %lf.\n", result);
return (0);
}