#include <stdio.h>

#define mo3(m,n,p) ( (m) > (n) ? ((m) > (p) ? (m) : (p)) : ((n) > (p) ? (n) : (p)))

int main(void) {

int m=4,n=2,p=11;
     // your code goes here
     printf("%d\n", mo3(m,n,p));
     return 0;
 }