#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using Graph = vector<vector<int>>;

int main(){
   vector<int>a(3);
   cin >> a[0] >> a[1] >> a[2];
   sort(a.begin(),a.end());
   cout << a[0]+a[2] << endl;
}