using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        using system;

​

public class MyProgram

{

    public static void main(string[] args)

    {

        // Assignment 2A - Magic Number 1089

        // Patrick A. Widmer

        // 9/11/2018

        // Enter a 3-digit number whose digits are decreasing: 851

        int value1;

        // Subtract the reverse of the original from the original: 851-158

        value1 = 851 - 158;

        output("1. The result of 851 - 158 is " + value1 + "\n");

        int value2;

        // Take the resulting number and add it to the reverse of itself: 693+396

        value2 = value1 + 396;

        output("2. The result of value1 + 396 (its reverse) is " + value2 + "\n");

        // The result is the Magic Number 1089; all 3-digit values that follow these rules will result in the same number

    }

    private static output(string text)

    {

        Console.WriteLine(text)

    }

}

​

    }

}