import java.util.*;
import java.math.BigDecimal;
public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String text = scan.next();
        String[] list = text.split(",");
        int a = Integer.parseInt(list[0]);
        int b = Integer.parseInt(list[1]);
        int c = Integer.parseInt(list[2]);
        System.out.println("合計点:" + (a+b+c));
        double val = (a+b+c)/3;
        BigDecimal bd = new BigDecimal(val);
        BigDecimal ave = bd.setScale(1, BigDecimal.ROUND_DOWN);
        System.out.println("平均点:" + ave.doubleValue());
    }
}