#include<iostream>
using namespace std;
int main()
{
    int a,b,c;
    cout <<"put three num a b c" <<endl;
    cin >>a >>b >>c;
    if(a>b)
    {
	if(a>c)
	{
	    cout <<"a is max" <<endl;
        }
        else 
        {
            cout <<"c is max" <<endl;
        }
    }
    else
    {
        if(b>c)
        {
            cout <<"b is max" <<endl;
        }
        else
        {
            cout <<"c is max" <<endl;
        }
    }
    return 0;
}
