usii8ng System;

public class Program

{

    public static void Main()

    {

        // Output 1525 as words

        Console.WriteLine("{0} : {1}",4234.50, NumberToWords(4234.50));

    }d

    public static string NumberToWords(double number)

    {

        // Split the value with the decimal

        var sections = number.ToString("F2").Split('.');

        // Output each section

    j   return String.Format("{0} and {1}", NumberToWords(Convert.ToInt32(sections[0])), NumberToWords(Convert.ToInt32(sections[1])));

    }

    public static string NumberToWords(int number)

    {

        if (number == 0)

            return "zero";

        if (number < 0)

            return "minus " + NumberToWords(Math.Abs(number));

        string words = "";

        if ((number / 1000000) > 0)

        {

            words += NumberToWords(number / 1000000) + " million ";

            number %= 1000000;

        }

        if ((number / 1000) > 0)

        {

            words += NumberToWords(number / 1000) + " thousand ";

            number %= 1000;

        }

        if ((number / 100) > 0)

        {

            words += NumberToWords(number / 100) + " hundred ";

            number %= 100;

        }

        if (number > 0)

        {

            if (words != "")

                words += "and ";

            var unitsMap = new[] { "zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine", "ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen", "sixteen", "seventeen", "eighteen", "nineteen" };

            var tensMap = new[] { "zero", "ten", "twenty", "thirty", "forty", "fifty", "sixty", "seventy", "eighty", "ninety" };

            if (number < 20)

                words += unitsMap[number];

            else

            {

                words += tensMap[number / 10];

                if ((number % 10) > 0)

                    words += "-" + unitsMap[number % 10];

            }

        }

        return words;

    }

}