using System;

public class Program

{

    enum AllColors

    {

        Red = PrimaryColors.Red,

        Orange = SecondaryColors.Orange,

        Yellow = PrimaryColors.Yellow,

        Green = SecondaryColors.Green,

        Blue = PrimaryColors.Blue,

        Purple = SecondaryColors.Purple

    }

​

    enum PrimaryColors

    {

        Red,

        Yellow,

        Blue,

    }

​

    enum SecondaryColors

    {

        Orange,

        Green,

        Purple,

    }

    public static void Main()

    {

        Console.WriteLine("Red = " + (int)AllColors.Red);

        Console.WriteLine("Orange = " + (int)AllColors.Orange);

        Console.WriteLine("Yellow = " + (int)AllColors.Yellow);

        Console.WriteLine("Green = " + (int)AllColors.Green);

        Console.WriteLine("Blue = " + (int)AllColors.Blue);

        Console.WriteLine("Purple = " + (int)AllColors.Purple);

    }

}