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

/**************************************************************
	Problem: 1039
	User: tangkaixuan
	Language: C++
	Result: Accepted
	Time:7 ms
	Memory:2072 kb
****************************************************************/