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

	return 0;
}

/**************************************************************
	Problem: 1039
	User: hbq
	Language: C++
	Result: Accepted
	Time:10 ms
	Memory:2072 kb
****************************************************************/