using System;

using System.Collections.Generic;

using System.Linq;

using System.Text;

using System.Threading;

​

namespace ConsoleApplication1

{

    public class nqkuvmagazin

    {

        public static SemaphoreSlim _sem = new SemaphoreSlim(5);

​

        public static void Main()

        {

            for (int i = 0; i <= 6; i++) new Thread(Enter).Start(i);

            Console.ReadLine();

        }

        public static void Enter(object id)

        {

            Console.WriteLine(id + " wants to enter ");

            _sem.Wait();

            Console.WriteLine(id + " is in ! ");

            Thread.Sleep(3000 * (int)id);

            Console.WriteLine(id + " is leaving ");

            _sem.Release();

        }

    }

}

​

​