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

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