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

int ctoi(char &c){
    switch(c){
        case '1': return 1;
        case '2': return 2;
        case '3': return 3;
        case '4': return 4;
        case '5': return 5;
        case '6': return 6;
        case '7': return 7;
        case '8': return 8;
        case '9': return 9;
        default: return 0;
    }
}

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

    double sum = j + m + b;
    double avg = (j + m + b) / 3;

    cout << "合計点:" << sum << endl;
    printf("平均点:%.1f", avg);
}