import java.util.Scanner;

public class Demo {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

       int number = Integer.parseInt(scanner.nextLine());

       switch (number){
           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");

       }
       if (number > 9){
           System.out.println("number too big");
       }



        }
    }