using System;

public class Program

{

    static void Test(Action action){

        try 

        {

            action();

        }

        catch(Exception ex){

            throw new Exception("Test Error!!", ex);

        }

    }

    public static void Main()

    {

        try{

            Test(()=> { 

                Test(()=> { 

                    throw new NotImplementedException(); 

                });

            });

        }

        catch(Exception ex){

            Console.Write(ex);

        }

    }

}