#include <bits/stdc++.h>
using  namespace std;

int main()
{
   int A,B,C;
   cin >> A >> B >> C;
   int num = A+B+C;
   double T = (A+B+C)/3;
   cout << "合計点:" << num << endl;
   cout << "平均点:" << T  <<  endl;
}