public static void Main()
string eleven = "eleven ";
string twelve = "twelve";
string thirteen = "thirteen";
string fourteen = "fourteen";
string fifteen = "fifteen";
string sixteen = "sixteen";
string seventeen = "seventeen";
string eighteen = "eighteen";
string nineteen = "nineteen";
string twenty = "twenty";
string thirty = "thirty";
string fourty = "fourty";
string seventy = "seventy";
string eighty = "eighty";
string ninety = "ninety";
string hunderd = "hundred";
string thousand = "thousand";
Console.WriteLine("Number To Word ");
Console.Write("Enter a number: ");
userInput = Console.ReadLine();
if (Int32.TryParse(userInput, out input) == true)
if (input >= 1 && input < 100)
print += seventy + space;
else if (input >= 100 && input < 1000)
print += one + space + hunderd + space;
print += two + space + hunderd + space;
print += three + space + hunderd + space;
print += four + space + hunderd + space;
print += five + space + hunderd + space;
print += six + space + hunderd + space;
print += seven + space + hunderd + space;
print += eight + space + hunderd + space;
print += nine + space + hunderd + space;
if (input > 0 && input <=19)
print += seventy + space;
print += one + space + thousand;
Console.WriteLine("Input error. Please enter a valid number.");
Console.WriteLine(print);
Console.WriteLine("enter numeric values");