package omatjavat;

import java.util.Scanner;

public class tehtava21 {

    static Scanner lukija = new Scanner(System.in);

    public static void main(String[] args) {

        int summa = 0;
        int temp = 0;
        int lukum = 0;

        System.out.println("anna luku");
        temp = lukija.nextInt();
        summa = summa + temp;
        lukum = lukum + ((1 / temp) * (temp));

        while (temp != 0) {

            System.out.println("anna seuraava luku");
            temp = lukija.nextInt();
            summa = summa + temp;
            lukum = lukum + ((1 / temp) * (temp));

        }

        System.out.println("keskiarvo on " + ((summa) / (lukum)));

        System.exit(0);
    }
}