using System;

public class Program

{

    public static void Main()

    {

        string first = "A";

        string second = "A"; // second is a reference to the smae cached string as first

        // should print two identical values separated by space

        Console.WriteLine(/*however you get the value of a pointer as in memory address for first/* 

                            + " " + /*value of second's address*/);

        second = "B"; // second points to somewhere else in memory than first

        // should print two different values separated by space

        Console.WriteLine(/*however you get the value of a pointer as in memory address for first/* 

                            + " " + /*value of second's address*/); 

    }

}