using System;

public class Program

{

    public static void Main()

    {

        var initial = Elig.MedicareHousehold | Elig.Medicare;

        var adjusted = Elig.Medicare | Elig.Medicaid;

        var lost = (initial ^ adjusted) & initial;

        var gained = (initial ^ adjusted) & adjusted;

        Console.WriteLine($"Initial: {initial}");

        Console.WriteLine($"Adjusted: {adjusted}");

        Console.WriteLine($"Lost: {lost}");

        Console.WriteLine($"Gained: {gained}");

    }

}

​

    [Flags]

    public enum Elig

    {

        None = 0,

        Medicaid = 1,

        CHIP = 2,

        Medicare = 4,

        MedicareHousehold = 8,

        RH = 16,

        Other = 32

    }

​