using System;

using System.Collections.Generic;

using System.Drawing;

​

public class Program

{

    static coloredCup GreenCup, PurpleCup, YellowCup, OrangeCup, RedCup, BlueCup;

    static List<coloredCup> coloredCupTower = new List<coloredCup>();

    public void Main()

    {

        Universe.createCups();

        Girl.solveColoredCupsTower();

        Mom.control();

    }

​

    public class Universe : Program

    {

        public static void createCups()

        {

            GreenCup = new coloredCup(1, Color.Green);

            PurpleCup = new coloredCup(2, Color.Purple);

            YellowCup = new coloredCup(3, Color.Yellow);

            OrangeCup = new coloredCup(4, Color.Orange);

            RedCup = new coloredCup(5, Color.Red);

            BlueCup = new coloredCup(6, Color.Blue);

        }

    }

​

    public class Girl : Program

    {

        public static void solveColoredCupsTower()

        {

            coloredCupTower.Add(BlueCup);

            coloredCupTower.Add(RedCup);

            coloredCupTower.Add(GreenCup);

            coloredCupTower.Remove(GreenCup);

            compareAndPossiblyInsert(ref PurpleCup);

            compareAndPossiblyInsert(ref GreenCup);

            coloredCupTower.Remove(GreenCup);

            compareAndPossiblyInsert(ref YellowCup);

            coloredCupTower.Remove(PurpleCup);

            compareAndPossiblyInsert(ref YellowCup);

            compareAndPossiblyInsert(ref PurpleCup);

            compareAndPossiblyInsert(ref GreenCup);

            removeTwo(ref GreenCup, ref PurpleCup);

            compareAndPossiblyInsert(ref OrangeCup);

            removeTwo(ref YellowCup, ref RedCup);

            compareAndPossiblyInsert(ref OrangeCup);

            compareAndPossiblyInsert(ref RedCup);

            compareAndPossiblyInsert(ref YellowCup);

            compareAndPossiblyInsert(ref RedCup);

            removeTwo(ref YellowCup, ref OrangeCup);

            compareAndPossiblyInsert(ref RedCup);

            compareAndPossiblyInsert(ref OrangeCup);

            coloredCupTower.Add(YellowCup);

            compareAndPossiblyInsert(ref PurpleCup);

            coloredCupTower.Add(GreenCup);

        }

    }

​

    public class Mom

    {

        public static void control()

        {

            for (int i = 1; i < coloredCupTower.Count; i++)

            {

                if (coloredCupTower[i].size >= coloredCupTower[i - 1].size)

                {

                    Console.WriteLine("Error. Can't access parallel Universe.");

                }

            }

​

            Console.WriteLine("Yaaaaeeehhiiiiyyy ... yeh .. yaay. Yeah you did it!");

        }

    }

​

    static void compareAndPossiblyInsert(ref coloredCup c)

    {

        if (c.size < coloredCupTower[coloredCupTower.Count - 1].size)

        {

            coloredCupTower.Add(c);

        }

    }

​

    static void removeTwo(ref coloredCup c1, ref coloredCup c2)

    {

        coloredCupTower.Remove(c1);

        coloredCupTower.Remove(c2);

    }

}

​

public class coloredCup

{

    public int size;

    public Color color;

    public coloredCup(int s, Color c)

    {

        size = s;

        color = c;

    }

}