using System;

​

using System.Threading.Tasks;

public class Program

{

public  enum a{

    a,b,c

    }

    public static  void Main()

    {

    object a = new();

        lock(a){

             Console.WriteLine("Test1");

          Task.Run(()=>{lock(a){

         Console.WriteLine("Test2");

         }} ).Wait();

        }

    }

}