#include<bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)

int main() {
    int a,b,c;
    scanf("%d,%d,%d", &a, &b, &c);
    int sum = a+b+c;
    float ave = (float)sum / 3;
    cout << "合計点:" << sum << endl;
    cout << "平均点:" << fixed << setprecision(1) << ave << endl;
    return 0;
}