import java.util.Scanner;

class Switch {

	public static void main(String[] args) {

		Scanner kb = new Scanner(System.in);

		String str = kb.nextLine();
		char input = str.charAt(0);

		switch (input) {
			case 'a': 
				System.out.println("a");
			case 'b':
				System.out.println("b");
				break;
			default:
				System.out.println("c");
				break;
		}

		int input2 = kb.nextInt();

		if (input2 == 1) {
				System.out.println("one");
		}
		else if (input2 == 2) {
				System.out.println("two");
		}
		else {
				System.out.println("tree");
		}





	}
}