КАК ЕТО РАБОТАЕТ!:!?!??!?!?! ОЙ А ОНО И В ПРАВДУ РАБОТАЕТ

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using static System.Math;
using System.Timers;
using System.Diagnostics;

 namespace ConsoleApplication40
{
    class Program
    {

        static void Main(string[] args)
        {
            //
            Console.WriteLine("Press any key to start the calculation : ");
            Console.ReadKey();
            Console.Clear();
            //
            Stopwatch stopWatch = new Stopwatch();
            stopWatch.Start();
            TimeSpan ts = stopWatch.Elapsed;
            string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}", ts.Hours, ts.Minutes, ts.Seconds, ts.Milliseconds / 10);
            //
            int x = 1;
            double e = 0;
            int i = 1;
            //
            for (int N = 1; N <= 100; N++)
            {
                e += Pow(Cos(i * Pow(x, 3)), 4);
                if (N == 101)
                {
                    N = 0;
                    x++;
                }
                if (x == 11)
                {
                    break;
                }
            }
            //
            stopWatch.Stop();
            Console.WriteLine("RunTime " + elapsedTime);

            Console.ReadKey();
        }
    }
    }