import java.util.*;
public class Digitsasw {
    public static void main (String[] args) {
        Scanner userInput = new Scanner(System.in);
        if (userInput.hasNextInt()) {
            int digit = userInput.nextInt();
            switch (digit) {
                case 1:
                    System.out.println("one");
                    break;
                case 2:
                    System.out.println("two");
                    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;
                default:
                    System.out.println("not a digit");
                    break;
            }
        } else {
            System.out.println("not a digit");
        }
    }
}