#include<bits/stdc++.h>
using namespace std;
int a[1000],n;
int main(){
  for(int i=1;i<=3;i++){
  	cin>>a[i];
  	if(a[i]>n)n=a[i];
  }
  cout<<n;
   return 0;
}

/**************************************************************
	Problem: 1039
	User: chenjingqi
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2076 kb
****************************************************************/