using System;

using System.Diagnostics;                   

public class Program

{

    public static void Main()

    {

        Stopwatch sw=new Stopwatch(); 

        sw.Start();

        for (int i = 0; i < 100000000; i++) 

        {

            try 

            {

                Math.Sin(i);

            } catch (Exception e) 

            {

            }

        }

        sw.Stop();

        Console.WriteLine(sw.ElapsedMilliseconds + "ms");

        sw.Restart();

        for (int i = 0; i < 100000000; i++) 

        {

            Math.Sin(i);

        }

        sw.Stop();

        Console.WriteLine(sw.ElapsedMilliseconds + "ms");

    }

}