#include<iostream>
using namespace std;
int a,b,c;char d;
main()
{
    cin>>a>>d>>b>>d>>c;
    cout<<"合計点:"<<a+b+c<<endl;
    int t=(a+b+c)*100/3;
    cout<<"平均点:"<<t/100<<"."<<t/10%10<<t%10<<endl;
}