/*
Marty Stepp, CSE 142, Autumn 2009
Rolls two dice until a sum of 7 is reached.

This second version of the program uses a do/while loop
because we know that the loop must execute at least once.

Example output:
2 + 4 = 6
3 + 5 = 8
5 + 6 = 11
1 + 1 = 2
4 + 3 = 7
You won after 5 tries!
*/

import java.util.*;

public class Dice2 {
    public static void main(String[] args) {
        Random rand = new Random();
        int rolls = 0;
        int sum;

        do {
            // do one roll
            int die1 = rand.nextInt(6) + 1;  // 1-6
            int die2 = rand.nextInt(6) + 1;  // 1-6
            sum = die1 + die2;
            rolls++;
            System.out.println(die1 + " + " + die2 + " = " + sum);
        } while (sum != 7);
        
        System.out.println("You won after " + rolls + " tries!");
    }
}