#include <iostream>
#include <vector>
#include <set>
#include <utility>

using namespace std;

pair<unsigned long, bool> next(set<unsigned long>& con, vector<unsigned long>& vec, unsigned long num) {
    if (num == 1) {
        return make_pair(0, false);
    }
    unsigned long res;
    bool done;
    if (num % 2) {
        res = num * 3 + 1;
        done = !con.insert(res).second;
        vec.push_back(res);
    } else {
        res = num / 2;
        done = !con.insert(res).second;
        vec.push_back(res);
    }
    return make_pair(res, done);
}

unsigned int pos(const vector<unsigned long>& where, unsigned long num) {
    for (unsigned int i = 0; i < where.size(); i ++) {
        if (where[i] == num) return i;
    }
    return 0;
}

int main()
{
    unsigned long A, B;

    cin >> A;
    cin >> B;


    while(A || B) {

        unsigned long at = A;
        unsigned long bat = 0;
        unsigned long aat = 0;
        set<unsigned long> s;
        vector<unsigned long> Avec;
        vector<unsigned long> Bvec;
        unsigned long Alast = A;
        unsigned long Blast = B;

        s.insert(A);
        s.insert(B);
        Avec.push_back(A);
        Bvec.push_back(B);

        while (true && A != B) {
            pair<unsigned long, bool> tmp;
            if (Alast) {
                tmp = next(s, Avec, Alast);
                Alast = tmp.first;
                if (tmp.second) {
                    aat = Avec.size() - 1;
                    bat = pos(Bvec, Alast);
                    at = Alast;
                    break;
                }
            }

            if (Blast) {
                tmp = next(s, Bvec, Blast);
                Blast = tmp.first;
                if (tmp.second) {
                    aat = pos(Avec, Blast);
                    bat = Bvec.size() - 1;
                    at = Blast;
                    break;
                }
            }
        }

        cout << A << " needs " << aat << " steps, " << B << " needs " << bat << " steps, they meet at " << at << endl;
        //cout << A << " " << aat << " " << B << " " << bat << " " << at << " " << endl;

        cin >> A;
        cin >> B;
    }

    return 0;
}