using System;

​

namespace Tennis

{

   public class MainClass

    {

        public static void Main(string[] args)

        {

​

            String playAscore = "";

            String playBscore = "";

            int agame = 0;

            int bgame = 0;

            bool duce = false;

            String game = "B B A A A B A B B B";

​

            foreach (char x in game.Replace(" ", "").ToCharArray())

            {

                if (!duce)

                {

                    if ((x == 'A'))

                    {

                        agame++;

                        playAscore = getScore(agame);

                        Console.WriteLine(("A: " + playAscore));

                    }

                    else if ((x == 'B'))

                    {

                        bgame++;

                        playBscore = getScore(bgame);

                        Console.WriteLine(("B: " + playBscore));

                    }

​

                    if ((playAscore.Equals("40") && playBscore.Equals("40")))

                    {

                        duce = true;

                        Console.WriteLine("DUCE");

                    }

​

                }

                else

                {

                    if ((x == 'A'))

                    {

                        if (playAscore.Equals("ADV"))

                        {

                            playAscore = "WIN";

                            Console.WriteLine(("A: " + playAscore));

                            return;

                        }

​

                        playAscore = "ADV";

                        Console.WriteLine(("A: " + playAscore));

                    }

                    else if ((x == 'B'))

                    {

                        if (playBscore.Equals("ADV"))

                        {

                            playBscore = "WIN";

                            Console.WriteLine(("B: " + playBscore));

                            return;

                        }

​

                        playBscore = "ADV";

                        Console.WriteLine(("B: " + playBscore));

                    }

​

                    if ((playAscore.Equals("ADV") && playBscore.Equals("ADV")))

                    {

                        // duce = true;

                        playAscore = "";

                        playBscore = "";

                        Console.WriteLine("DUCE");

                    }

​

                }

​

            }

​

​

​

        }

​

        private static String getScore(int times)

        {

            switch (times)

            {

                case 1:

                    return "15";

                case 2:

                    return "30";

                case 3:

                    return "40";

                case 4:

                    return "win";

            }

            return "0";

        }

​

    }

}