using System;

public class Test

{

    public static void Main()

    {

        try

        {

            try

            {

                throw new Exception();

            }

            catch (Exception ex)

            {

                Console.WriteLine(ex);

                Console.WriteLine();

                throw;

            }

        }

        catch (Exception ex)

        {

            Console.WriteLine(ex);

            Console.WriteLine();

        }

    }

}