using System;

using System.Diagnostics;

using System.Threading;

class Program

{

    static void Main(string[] args)

    {

        Stopwatch stopWatch = new Stopwatch();

        stopWatch.Start();

        Thread.Sleep(10000);

        stopWatch.Stop();

        // Get the elapsed time as a TimeSpan value.

        TimeSpan ts = stopWatch.Elapsed;

        // Format and display the TimeSpan value.

        string elapsedTime = String.Format("{0:00}:{1:00}:{2:00}.{3:00}",

            ts.Hours, ts.Minutes, ts.Seconds,

            ts.Milliseconds / 10);

        Console.WriteLine("RunTime " + elapsedTime);

    }

}