using System;

using System.Linq;

using System.Threading;

using System.Threading.Tasks;

​

namespace timers

{

    class Program

    {

        public static void Main(string[] args)

        {

            int n = 1, m = 1;

            while (true)

            {

                Thread.Sleep(TimeSpan.FromSeconds(1));

                var timers = Enumerable.Range(0, 10000)

                       .Select(x => Task.Delay(TimeSpan.FromSeconds(1)))

                       .ToArray();

                Task.Run(() =>

                {

                    Task.WaitAll(timers);

                    Console.WriteLine($"Done {m}");

                    m++;

                });

                Console.WriteLine($"Tick {n}");

                n++;

            }

        }

    }

}

​