public class hailstonecode {

	/**
	 * @param args
	 */
	public static void main(String[] args) {

		int x = 27;

		while (x > 1) {

			if (x % 2 == 0)
				x = (x / 2);
			System.out.println(x);

			if (x % 2 == 1)
				x = ((x * 3) + 1);
			System.out.println(x);

		}

	}

}