C #define example

#include<stdio.h>
#define MAX(x,y) (x>y)? x : y

int main() {
int i, j;
int max;

printf("Input two numbers");
scanf("%d %d", &i, &j);
max = MAX(i, j);
printf("MAX(%d, %d) = %d\n", i, j, max);

return 0;
}