using System;

class Program

{

    static void Main(string[] args)

    {

        Console.WriteLine("before");

        Console.WriteLine(test());

        Console.WriteLine("after");

    }

​

    static string test()

    {

        try

        {

            string s = "null";

            s.Trim();

            return "return";

        }

        catch(Exception e)

        {

            Console.WriteLine("exception");

        }

        finally

        {

            Console.WriteLine("finally");

        }

        return "end";

    }

}