import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.HashMap;

public class collatz {

	/**
	 * @param args
	 * @throws IOException
	 */
	public static void main(String[] args) throws IOException {
		BufferedReader reader = new BufferedReader(new InputStreamReader(
				System.in));
		String line;
		while (!(line = reader.readLine()).equals("0 0")) {
			int p = line.indexOf(" ");
			int a = Integer.parseInt(line.substring(0, p));
			int b = Integer.parseInt(line.substring(p + 1));
			// promenne pro vypis
			

			HashMap<Integer, Integer> mapA = new HashMap<Integer, Integer>();
			HashMap<Integer, Integer> mapB = new HashMap<Integer, Integer>();
			
			if (a == b) {
				System.out.println(a + " needs 0 steps, "
						+ b + " needs 0 steps, they meet at " + a);
			}
			else {
				
				int aa = a;
				int bb = b;
				
				
				//DAM JE DO MAP
				
				mapA.put(a, 0);
				mapB.put(b, 0);
				int cnt = 0;
				
				// boolean stop = false;
				while (true) {
					cnt++;
					if (a % 2 == 0) {
						a /= 2;
					} else {
						a *= 3;
						a++;
					}
					if (mapB.containsKey(a)) {
						System.out.println(aa + " needs " + cnt + " steps, "
								+ bb + " needs " + mapB.get(a)
								+ " steps, they meet at " + a);
						break;
					}
					mapA.put(a, cnt);

					if (b % 2 == 0) {
						b /= 2;
					} else {
						b *= 3;
						b++;
					}
					mapB.put(b, cnt);

					// test map
					if (mapA.containsKey(b)) {
						System.out.println(aa + " needs " + mapA.get(b)
								+ " steps, " + bb + " needs " + cnt
								+ " steps, they meet at " + b);
						break;
					}

				}
			}
		}
	}

}