#include<bits/stdc++.h>
using namespace std;
int a,b,c,ct = -1;
int main(){
	cin>>a>>b>>c;
	if(a > ct){
		ct = a;
	}
	if(b > ct){
		ct = b;
	}
	if(c > ct){
		ct = c;
	}
	cout<<ct;
	return 0;
}