#include <stdio.h>
#include <iostream>
using namespace std;

int main(void)
{
  int j, m, b;
  char c, cc;
  cin >> j >> c >> m >> cc >> b;
  cout << "合計点:" << j + m + b << endl;
  cout << "平均点:";
  printf("%.1f\n", (j + m + b) / 3.0);
  return 0;
}