#include <bits/stdc++.h>
using namespace std;
int main() {
double j, m, b; char x, y;cin >> j >>x>> m >>y>> b;
  cout << "合計点:" <<j+m+b << endl;
  cout << fixed << setprecision(1);
  cout << "平均点:" << (j+m+b)/3;
  
}