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

int main() {
    // 入力
    int j, m, b;
    cin >> j;
    cin.ignore();
    cin >> m;
    cin.ignore();
    cin >> b;

    // 出力
    int T = j + m + b;
    double A = T / 3.0;
    cout << "合計点:" << T << "\n";
    cout << "平均点:" << fixed << setprecision(1) << A << endl;
}