tasks1

tasks1.cs

using System;
using System.Threading.Tasks;

namespace console1
{
    class Program
    {
        static void Main(string[] args)
        {
            Console.WriteLine(Systems.GetEqual("a", "c"));

            int count = 500000;

            Task t = Task.Factory.StartNew(() => Extention.Concatenate(count));

            Console.WriteLine("Working...");

            t.Wait();

            Console.WriteLine($"Done, counted {count} times");
        }
    }
}