using System;

public class Program

{

    public static void Main()

    {

        int b = 1, a = 2, product;

        do

        {

            product = b * a;                

        Console.WriteLine("{0} * {1} = {2}", a, b, product);

            b++;

    } 

        while ( b<=10);

        Console.ReadLine();

    }

}

​