using System;

​

public class Program

{

    public static void Main()

    {

        int henk = 123;

        IComparable henkClone = Piet(henk);

        henk = 456;

        Console.WriteLine(henk.ToString());

        Console.WriteLine(henkClone.ToString());

    }

    private static IComparable Piet(IComparable value)

    {

        return value;   

    }

}