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

}

/**************************************************************
	Problem: 1039
	User: mc002
	Language: C++
	Result: Accepted
	Time:25 ms
	Memory:2072 kb
****************************************************************/