public static void Main(string[] args)
Console.WriteLine("Number to word Program.");
Console.Write("Enter number: ");
input = Console.ReadLine();
if (Int32.TryParse(input, out number) == true)
Console.WriteLine("One thousand.");
Console.WriteLine("Invalid input.");
Console.WriteLine("Invalid input. Please enter a valid input.");
Console.Write("One Hundred ");
Console.Write("Two Hundred ");
Console.Write("Three Hundred ");
Console.Write("Four Hundred ");
Console.Write("Five Hundred ");
Console.Write("Six Hundred ");
Console.Write("Seven Hundred ");
Console.Write("Eight Hundred ");
Console.Write("Nine Hundred ");
Console.Write("Eleven ");
Console.Write("Twelve ");
Console.Write("Thirteen ");
Console.Write("Fourteen ");
Console.Write("Fifteen ");
Console.Write("Sixteen ");
Console.Write("Seventeen ");
Console.Write("Eighteen ");
Console.Write("Nineteen ");
Console.WriteLine("Ten");
Console.Write("Twenty ");
Console.Write("Thirty ");
Console.Write("Fourty ");
Console.Write("Seventy ");
Console.Write("Eighty ");
Console.Write("Ninety ");
ones = (number % 100) % 10;
Console.WriteLine("Invalid input. Please enter numeric value.");