#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));
}
/**************************************************************
	Problem: 1039
	User: sucongyi
	Language: C++
	Result: Accepted
	Time:11 ms
	Memory:2072 kb
****************************************************************/