/*
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 * and open the template in the editor.
 */
import java.io.*;
import java.util.Arrays;
import java.util.ArrayList;
/**
 *
 * @author cteam025
 */
public class collatz {
    public static final int MAX = 1000000*100+1;//(3*1000000+1+1)*80;
    /**
     * @param args the command line arguments
     */
    public static void main(String[] args) throws IOException{
        BufferedInputStream br = new BufferedInputStream(System.in);
        int first, second;
        boolean arraA[] = new boolean[MAX];
        boolean arraB[] = new boolean[MAX];
        int fi, se, oldfi, oldse; boolean isfi;
        ArrayList<Integer> lfi = new ArrayList<Integer>(), lse = new ArrayList<Integer>();
        while(((first = readInt(br)) != 0) && ((second = readInt(br)) != 0)) {
            Arrays.fill(arraA, false);
            Arrays.fill(arraB, false);
            lfi.clear();lse.clear();
            fi = first; se = second; isfi = false;
//            while(!(arraA[fi] && arraB[fi]) || !(arraA[se] && arraB[se])) {
//                if(!arraB[se]) lse.add(new Integer(se));
//                if(!arraA[fi]) lfi.add(new Integer(fi)); 
//                arraA[fi] = true; arraB[se] = true;
//                fi = next(fi); se = next(se);              
//            }
            while(true) {
                arraA[fi] = true; arraB[se] = true;
                if(arraA[fi] && arraB[fi]) {isfi = true; break;}
                if(arraA[se] && arraB[se]) break;
                lfi.add(new Integer(fi)); lse.add(new Integer(se));
                oldfi = fi; oldse = se;
                fi = next(fi); se = next(se);
            }
            lfi.add(new Integer(fi)); lse.add(new Integer(se));
            int loa, lob, out;
            if(isfi) {
                loa = find(lfi, fi);
                lob = find(lse, fi);
                out = fi;
            } else {
                loa = find(lfi, se);
                lob = find(lse, se);
                out = se;
            }
            //print(lfi);
            //print(lse);
            //print(arraA); print(arraB);
            //System.out.println(lfi.get(loa));
            //System.out.println(lse.get(lob));
            System.out.println(first + " needs " + loa + " steps, " + second + " needs " + lob + " steps, they meet at " + out);
        }
        
    }
    
    public static int find(ArrayList<Integer> l, int val) {
        int i = 0;
        for (Object object : l) {
            if(val == (((Integer) object).intValue())) return i;
            i++;
        }

        return -1;
    }
    
    public static void print(ArrayList<Integer> l) {
        for (Object object : l) {
           System.out.print(object.toString() + " ");
        }
        System.out.println("");
    }
    
    public static void print(boolean[] arr) {
        int i = 0;
        for (boolean val: arr) {
            if(val) System.out.print(i+" "); i++;
        }
        System.out.println("");
    }
    
    public static int next(int i) {
        if(i % 2 == 0) return i/2;
        return 3*i + 1;
    }
    
    public static int readInt(InputStream in) throws IOException {
        int i = 0, j;
        while((j = in.read()) != '\n') {
            if(j == '\r') continue;
            if(j == ' ') break;
            i = (((i << 2) + i) << 1) + (j - 48);
        }
        //System.out.println(i);
        return i;
    }

}