/* * * * * * * * *
 * Tristan Madden
 * 10/05/2017
 * * * * * * * * */

import java.io.IOException;
import java.util.Scanner;

public class Main {

    public static void main(String[] args) throws IOException {

        Scanner sc = new Scanner(System.in);

        while (sc.hasNext()) {

            int n1 = sc.nextInt();
            int n2 = sc.nextInt();

            if (n2  n1) {
                int largest = 0;

                for (int i = n1; i = n2; i++) {
                    int temp = collatz(i, 1);
                    if (temp  largest) {
                        largest = temp;
                    }
                }

                System.out.println(n1 +   + n2 +   + largest);
            } else if (n2  n1) {
                int largest = 0;

                for (int i = n2; i = n1; i++) {
                    int temp = collatz(i, 1);
                    if (temp  largest) {
                        largest = temp;
                    }
                }
                System.out.println(n1 +   + n2 +   + largest);
            } else if (n2 == n1) {
                int temp = collatz(n1, 1);
                System.out.println(n1 +   + n2 +   + temp);
            }

        }
    }

    public static int collatz(long input, int cycleLength) {

        long n = input;
        int counter = cycleLength;

        if (n == 1) {
            return counter;
        } else if (n % 2 != 0) {
            n = 3  n + 1;
            counter++;
            return collatz(n, counter);
        } else {
            n = n  2;
            counter++;
            return collatz(n, counter);
        }

    }
}