#include<stdio.h>
#include<conio.h>
int max (int ,int );// function protype
int main()
{
int a,b;
scanf("%d %d",&a,&b);
max(a,b); //function call
printf("ok");
getch();
}
int max (int x,int y)// function definition
{
if(x>y){
printf("max is %d",x);
}
if(y>x){
printf("max is %d\n",y);
}}