using System;

public class Program

{

    public static void Main()

    {

        int x;

        x=1;

        Console.WriteLine("Programa15 Horacio Olvera Saldaña");

        Console.WriteLine("  ");

        Console.WriteLine("Tabla del 2");

         while (x <= 10)

            {

             Console.WriteLine(" 2 * {0} = {1}",x,x*2);

                x = x + 1;

            }

    }

}