using System;

using System.Threading;

​

public class Program

{

    public static void Main(string[] args)

    {

        string input = "placeholder";

        int MainValue = 50;

        Console.Write("The MainValue is at " + MainValue);

        Console.Write(" What would you like to change it to?");

        input = Console.ReadLine();

        Int32.TryParse(input, out MainValue);

        Console.WriteLine(MainValue);

        Console.Write("Done");

    }

}