#include<bits/stdc++.h>
using namespace std;
int main(){
	int a,b,c;
	cin>>a>>b>>c;
	cout<<(a>b? (a>c?a:c): (b>c?b:c));
	return 0;
}
/**************************************************************
	Problem: 1039
	User: zhangyilei
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/