using System;

public class Program

{

    public static void Main()

    {

        Console.Write("On the first ");

        TL ();

        First();

​

        Console.Write("On the second ");

        TL();

        Second();

​

        Console.Write("On the third ");

        TL();

        Third();

        Console.Write("On the fourth ");

        TL();

        Fourth();

        Console.Write("On the fifth ");

        TL();

        Fifth();

        Console.Write("On the sixth ");

        TL();

        Sixth();

        Console.Write("On the seventh ");

        TL();

        Seventh();

        Console.Write("On the eighth ");

        TL();

        Eighth();

        Console.Write("On the ninth ");

        TL();

        Ninth();

        Console.Write("On the tenth ");

        TL();

        Tenth();

        Console.Write("On the eleventh ");

        TL();

        Eleventh();

        Console.Write("On the twelfth ");

        TL();

        Twelfth();

    }

​

    static void TL ()

    {

        Console.WriteLine("day of Christmas my true love gave to me,");

    }

​

    static void AddAnd ()

    {

        Console.Write("and, ");

    }

​

    static void First ()

    {

        Console.WriteLine("a partridge in a pear tree.");

        Console.WriteLine(" ");

    }

​

    static void Second ()

    {

        Console.WriteLine("two turtle doves,");

        AddAnd();

        First();

    }

​

    static void Third ()

    {

        Console.WriteLine("three French hens");

        Second();

    }

    static void Fourth ()

    {

        Console.WriteLine("four calling birds");

        Third();

    }

    static void Fifth ()

    {

        Console.WriteLine("five golden rings");

        Fourth();

    }

    static void Sixth ()

    {

        Console.WriteLine("six geese a-laying");

        Fifth();

    }

    static void Seventh ()

    {

        Console.WriteLine("seven swans a-swimming");

        Sixth();

    }

    static void Eighth ()

    {

        Console.WriteLine("eight maids a-milking");

        Seventh();

    }

    static void Ninth ()

    {

        Console.WriteLine("nine ladies dancing");

        Eighth();

    }

    static void Tenth ()

    {

        Console.WriteLine("ten lorrds a-leaping");

        Ninth();

    }

    static void Eleventh ()

    {

        Console.WriteLine("eleven pipers piping");

        Tenth();

    }

    static void Twelfth ()

    {

        Console.WriteLine("twelve drummers drumming");

        Eleventh();

    }

}