using System;

using System.Threading;

using System.Threading.Tasks;

​

public class Program

{

    private static Thread _mainThread;

    public static void Monitor()

    {

        for (int i=0;i<100;i++)

        {

            Thread.Sleep(100);

            Console.WriteLine

        }

    }

    public static void Main()

    {

        _mainThread = Thread.CurrentThread;

        Console.WriteLine("Hello World");

    }

}