#include <bits/stdc++.h>
using namespace std;
int main(void){
  int A,B,C;
  char t;
  cin >> A >> t >> B >> t >> C;
  A=A+B+C;
  cout << "合計点:" << A << endl;
  cout << "平均点:" << fixed << setprecision(1) << (double)A/3.0 << endl;
}