import java.util.Scanner;
import java.util.SortedMap;

public class main {
    public static void main(String[] args) {
        Scanner Scanner = new Scanner(System.in);
        int number = Scanner.nextInt();
                int numberHundreds = number % 100;
                int numberTens = number % 10;
                int numberOnes = number % 100;
        switch (numberHundreds){
            case 1:
                System.out.println( "one hundred");
                break;
            case 2:
                System.out.println("two hundred");
                break;
            case 3:
                System.out.println("three hundred");
                break;
            case 4:
                System.out.println("four hundred");
                break;
            case 5:
                System.out.println( "five hundred");
                break;
            case 6:
                System.out.println("six hundred");
                break;
            case 7:
                System.out.println("seven hundred");
                break;
            case 8:
                System.out.println("eight hundred");
                break;
            case 9:
                System.out.println("nine hundred");
                break;
            default:
                System.out.println("");
                break;}
                switch (numberTens % 10){
                    case 1:
                        System.out.println("ten");
                        break;
                    case 2:
                        System.out.println("twenty ");
                        break;
                    case 3:
                        System.out.println("thirty ");
                    case 4:
                        System.out.println("forty ");
                        break;
                    case 5:
                        System.out.println("fifty ");
                        break;
                    case 6 :
                        System.out.println("sixty ");
                    case 7:
                        System.out.println("seventy ");
                    case 8:
                        System.out.println("eighty ");
                        break;
                    case 9:
                        System.out.println("ninety ");
                    default:
                        System.out.println("");
                        break;}
        switch (numberOnes){
            case 1:
                System.out.println( "one hundred");
                break;
            case 2:
                System.out.println("two hundred");
                break;
            case 3:
                System.out.println("three");
                break;
            case 4:
                System.out.println("four");
                break;
            case 5:
                System.out.println( "five");
                break;
            case 6:
                System.out.println("six");
                break;
            case 7:
                System.out.println("seven");
                break;
            case 8:
                System.out.println("eight");
                break;
            case 9:
                System.out.println("nine");
                break;
            case 11:
                System.out.println("eleven");
                break;
            case 12:
                System.out.println("twelve");
                break;
            case 13:
                System.out.println("thirteen");
                break;
            case 14:
                System.out.println("fourteen");
                break;
                case 15:
                    System.out.println("fifteen");
                    break;
            case 16:
                System.out.println("sixteen");
                break;
            case 17:
                System.out.println("seventeen");
                break;
            case 18:
                System.out.println("eighteen");
                break;
            case 19:
                System.out.println("nineteen");
                break;
            default:
                System.out.println("");
                break;}
        System.out.print(numberHundreds + numberTens + numberOnes);
                }


    }