import java.util.Scanner;

public class CountDownDemo {

	public static void main(String[] args) {
		int x;
		Scanner input = new Scanner(System.in);

		System.out.print("Please enter an integer: ");
        x = input.nextInt();
        CountDown(x);
	}
	
	public static void CountDown(int x) {
		if (x == 0) {
			System.out.println(x + "...Liftoff!");
		} else {
			System.out.println(x);
			CountDown(x-1);
		}
	}

}