URI Problem (Score Validation) 1117:
Score Validation is a basic problem on URI online judge for novice problem solver.
You can find details on this Link.

import java.util.Scanner;

/**
 * @Author : Muhammad Harun-Or-Roshid
 * @Date : Oct 18, 2016
 * @Time : 11:57:21 PM
 */
public class Uri1117 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int count = 0;
        double total = 0;
        while (count != 2) {
            double x = sc.nextDouble();
            if (x >= 0 && x <= 10) {
                total += x;
                count++;
            } else {
                System.out.println("nota invalida");
            }
        }
        System.out.printf("media = %.2f\n",(total/count));
    }
}