using System;

using System.Threading;

public class Program

{

    public static void Main()

    {

        Thread[] threads = new Thread[5];

        for (int i = 0; i < threads.Length; i++)

        {

            threads[i] = new Thread(Test);

        }

        for (int i = 0; i < threads.Length; i++)

        {

            threads[i].Start();

        }

        for (int i = 0; i < threads.Length; i++)

        {

            threads[i].Join();

        }

    }

    private static void Test()

    {

        Thread.Sleep(5000);

        Console.WriteLine("FINISH");

    }

}