#include <iostream>
#include <vector>

using namespace std;

typedef vector<unsigned> Array;

Array aArray;
Array bArray;

void generate(unsigned &a, Array &array)
{
  array.push_back(a);
  // sude
  if (a % 2 == 0) 
  {
    a /= 2;
  }
    // lichy
  else
  {
    a = 3*a +1;
  }  
  
}

int main()
{
  unsigned a; 
  unsigned b;
  
  while (1)
  {
    cin >> a;
    cin >> b;
    
    
    if (a == 0 && b == 0)
      break;
    
    unsigned aSave = a;
    unsigned bSave = b;
    
    
    while (a!=1 || b!=1)
    {
      if (a != 1)
        generate(a,aArray);
      if (b != 1)
        generate(b,bArray);
    }
    
    aArray.push_back(1);
    bArray.push_back(1);
    
    for (unsigned iA = 0 , aSize = aArray.size() ; iA < aSize ; ++iA)
      for (unsigned iB = 0 , bSize = bArray.size() ; iB < bSize ; ++iB)
        if (aArray[iA] == bArray[iB])
        {
          cout << aSave << " needs " << iA << " steps, "
              << bSave << " needs " << iB << " steps, "
              << "they meet at " << aArray[iA] << '\n';
          iB=bSize;
          iA=aSize;
        }
    
    
    aArray.clear();
    bArray.clear();
  }
  
  return 0;
}