Number1to100

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace NumbersTo100WithText
{
    class Program
    {
        static void Main(string[] args)
        {
            var num1 = Console.ReadLine();
            if(num1 == "0")
            {
                Console.WriteLine("zero");
            }
            else if(num1 == "1")
            {
                Console.WriteLine("one");
            }
            else if (num1 == "2")
            {
                Console.WriteLine("two");
            }
            else if (num1 == "3")
            {
                Console.WriteLine("three");
            }
            else if (num1 == "4")
            {
                Console.WriteLine("four");
            }
            else if (num1 == "5")
            {
                Console.WriteLine("five");
            }
            else if (num1 == "6")
            {
                Console.WriteLine("six");
            }
            else if (num1 == "7")
            {
                Console.WriteLine("seven");
            }
            else if (num1 == "8")
            {
                Console.WriteLine("eight");
            }
            else if (num1 == "9")
            {
                Console.WriteLine("nine");
            }
            else if (num1 == "10")
            {
                Console.WriteLine("ten");
            }
            else if (num1 == "11")
            {
                Console.WriteLine("eleven");
            }
            else if (num1 == "12")
            {
                Console.WriteLine("twelve");
            }
            else if (num1 == "13")
            {
                Console.WriteLine("thirteen");
            }
            else if (num1 == "14")
            {
                Console.WriteLine("fourteen");
            }
            else if (num1 == "15")
            {
                Console.WriteLine("fifteen");
            }
           else if (num1 == "16")
            {
                Console.WriteLine("sixteen");
            }
           else if (num1 == "17")
            {
                Console.WriteLine("seventeen");
            }
            else if (num1 == "18")
            {
                Console.WriteLine("eighteen");
            }
            else if (num1 == "19")
            {
                Console.WriteLine("nineteen");
            }
           else if (num1 == "20")
            {
                Console.WriteLine("twenty");
            }
            else if (num1 == "21")
            {
                Console.WriteLine("twenty one");
            }
            else if (num1 == "22")
            {
                Console.WriteLine("twenty two");
            }
            else if (num1 == "23")
            {
                Console.WriteLine("twenty three");
            }
            else if (num1 == "24")
            {
                Console.WriteLine("twenty four");
            }
            else if (num1 == "25")
            {
                Console.WriteLine("twenty five");
            }
            else if (num1 == "26")
            {
                Console.WriteLine("twenty six");
            }
            else if (num1 == "27")
            {
                Console.WriteLine("twenty seven");
            }
            else if (num1 == "28")
            {
                Console.WriteLine("twenty eight");
            }
            else if (num1 == "29")
            {
                Console.WriteLine("twenty nine");
            }
            else if (num1 == "30")
            {
                Console.WriteLine("thirty");
            }
            else if (num1 == "31")
            {
                Console.WriteLine("thirty one");
            }
            else if (num1 == "32")
            {
                Console.WriteLine("thirty two");
            }
            else if (num1 == "33")
            {
                Console.WriteLine("thirty three");
            }
            else if (num1 == "34")
            {
                Console.WriteLine("thirty four");
            }
            else if (num1 == "35")
            {
                Console.WriteLine("thirty five");
            }
            else if (num1 == "36")
            {
                Console.WriteLine("thirty six");
            }
            else if (num1 == "37")
            {
                Console.WriteLine("thirty seven");
            }
            else if (num1 == "38")
            {
                Console.WriteLine("thirty eight");
            }
            else if (num1 == "39")
            {
                Console.WriteLine("thirty nine");
            }
            else if (num1 == "40")
            {
                Console.WriteLine("forty");
            }
            else if (num1 == "41")
            {
                Console.WriteLine("forty one");
            }
            else if (num1 == "42")
            {
                Console.WriteLine("forty two");
            }
            else if (num1 == "43")
            {
                Console.WriteLine("forty three");
            }
            else if (num1 == "44")
            {
                Console.WriteLine("forty four");
            }
            else if (num1 == "45")
            {
                Console.WriteLine("forty five");
            }
            else if (num1 == "46")
            {
                Console.WriteLine("forty six");
            }
            else if (num1 == "47")
            {
                Console.WriteLine("forty seven");
            }
            else if (num1 == "48")
            {
                Console.WriteLine("forty eight");
            }
            else if (num1 == "49")
            {
                Console.WriteLine("forty nine");
            }
            else if (num1 == "50")
            {
                Console.WriteLine("fifty");
            }
            else if (num1 == "51")
            {
                Console.WriteLine("fifty one");
            }
            else if (num1 == "52")
            {
                Console.WriteLine("fifty two");
            }
            else if (num1 == "53")
            {
                Console.WriteLine("fifty three");
            }
            else if (num1 == "54")
            {
                Console.WriteLine("fifty four");
            }
            else if (num1 == "55")
            {
                Console.WriteLine("fifty five");
            }
            else if (num1 == "56")
            {
                Console.WriteLine("fifty six");
            }
            else if (num1 == "57")
            {
                Console.WriteLine("fifty seven");
            }
            else if (num1 == "58")
            {
                Console.WriteLine("fifty eight");
            }
            else if (num1 == "59")
            {
                Console.WriteLine("fifty nine");
            }
            else if (num1 == "60")
            {
                Console.WriteLine("sixty");
            }
            else if (num1 == "61")
            {
                Console.WriteLine("sixty one");
            }
            else if (num1 == "62")
            {
                Console.WriteLine("sixty two");
            }
            else if (num1 == "63")
            {
                Console.WriteLine("sixty three");
            }
            else if (num1 == "64")
            {
                Console.WriteLine("sixty four");
            }
            else if (num1 == "65")
            {
                Console.WriteLine("sixty five");
            }
            else if (num1 == "66")
            {
                Console.WriteLine("sixty six");
            }
            else if (num1 == "67")
            {
                Console.WriteLine("sixty seven");
            }
            else if (num1 == "68")
            {
                Console.WriteLine("sixty eight");
            }
            else if (num1 == "69")
            {
                Console.WriteLine("sixty nine");
            }
            else if (num1 == "70")
            {
                Console.WriteLine("seventy");
            }
            else if (num1 == "71")
            {
                Console.WriteLine("seventy one");
            }
            else if (num1 == "72")
            {
                Console.WriteLine("seventy two");
            }
            else if (num1 == "73")
            {
                Console.WriteLine("seventy three");
            }
            else if (num1 == "74")
            {
                Console.WriteLine("seventy four");
            }
            else if (num1 == "75")
            {
                Console.WriteLine("seventy five");
            }
            else if (num1 == "76")
            {
                Console.WriteLine("seventy six");
            }
            else if (num1 == "77")
            {
                Console.WriteLine("seventy seven");
            }
            else if (num1 == "78")
            {
                Console.WriteLine("seventy eight");
            }
            else if (num1 == "79")
            {
                Console.WriteLine("seventy nine");
            }
            else if (num1 == "80")
            {
                Console.WriteLine("eighty");
            }
            else if (num1 == "81")
            {
                Console.WriteLine("eighty one");
            }
            else if (num1 == "82")
            {
                Console.WriteLine("eighty two");
            }
            else if (num1 == "83")
            {
                Console.WriteLine("eighty three");
            }
            else if (num1 == "84")
            {
                Console.WriteLine("eighty four");
            }
            else if (num1 == "85")
            {
                Console.WriteLine("eighty five");
            }
            else if (num1 == "86")
            {
                Console.WriteLine("eighty six");
            }
            else if (num1 == "87")
            {
                Console.WriteLine("eighty seven");
            }
            else if (num1 == "88")
            {
                Console.WriteLine("eighty eight");
            }
            else if (num1 == "89")
            {
                Console.WriteLine("eighty nine");
            }
            else if (num1 == "90")
            {
                Console.WriteLine("ninety");
            }
            else if (num1 == "91")
            {
                Console.WriteLine("ninety one");
            }
            else if (num1 == "92")
            {
                Console.WriteLine("ninety two");
            }
            else if (num1 == "93")
            {
                Console.WriteLine("ninety three");
            }
            else if (num1 == "94")
            {
                Console.WriteLine("ninety four");
            }
            else if (num1 == "95")
            {
                Console.WriteLine("ninety five");
            }
            else if (num1 == "96")
            {
                Console.WriteLine("ninety six");
            }
            else if (num1 == "97")
            {
                Console.WriteLine("ninety seven");
            }
            else if (num1 == "98")
            {
                Console.WriteLine("ninety eight");
            }
            else if (num1 == "99")
            {
                Console.WriteLine("ninety nine");
            }
            else if (num1 == "100")
            {
                Console.WriteLine("one hundred");
            }
            else
            {
                Console.WriteLine("invalid number");
            }
        }
    }
}