using System;

public class Program

{

    public static void Main()

    {

        int num1,num2;

        Console.WriteLine("Enter Number 1 : ");

        num1 = int.Parse(Console.ReadLine());

        Console.WriteLine("Enter Number 2 : ");

        num2 = int.Parse(Console.ReadLine());

        while (num1 != 0 && num2 != 0)

        {

            Console.WriteLine(" ");

            Console.WriteLine(num1 + " " + "*" + " " + num2 + " " + "=" + " " + num1*num2);

            Console.WriteLine(" ");

            Console.WriteLine("Enter Number 1 : ");

            num1 = int.Parse(Console.ReadLine());

            Console.WriteLine("Enter Number 2 : ");

            num2 = int.Parse(Console.ReadLine());

        }

        Console.WriteLine("The product of the two numbers is equal to 0, its the end");

    }

}