#include <stdio.h>
#include <stdlib.h>
#include <map>

#define ARRAYSIZE 8000000

int a, b, as, bs, i;

int *mapA;
int *mapB;

int main() {
	mapA = (int *) malloc(sizeof (int) * ARRAYSIZE);
	mapB = (int *) malloc(sizeof (int) * ARRAYSIZE);
	
    while (1) {
        int counter = 1;

        scanf("%d %d", &as, &bs);
        int aend = 0;
        int bend = 0;
        a = as;
        b = bs;
        if (a == 0 && b == 0)
            break;
        if (a == b) {
        	printf("%d needs %d steps, %d needs %d steps, they meet at %d\n", as, 0, bs, 0, a);
        	continue;
        }
        
        for (i = 0; i < ARRAYSIZE; ++i) {
        	mapA[i] = 0;
        	mapB[i] = 0;
        }
        
        int h = 1;
        while (h == 1) {
            if (!aend) {
                mapA[a] = counter;
                if (a % 2 == 0)
                    a /= 2;
                else
                    a = 3 * a + 1;
            }
            if (a == 1)
                aend = 1;
            
            if (!bend) {
                mapB[b] = counter;
                if (b % 2 == 0)
                    b /= 2;
                else
                    b = 3 * b + 1;
            }
            if (b == 1)
                bend = 1;
            
            if (mapA[b] != 0) {
				printf("%d needs %d steps, %d needs %d steps, they meet at %d\n", as, mapA[b] - 1, bs, counter, b);
                break;
            } else if (mapB[a] != 0) {
                printf("%d needs %d steps, %d needs %d steps, they meet at %d\n", as, counter, bs, mapB[a] - 1, a);
                break;
            }
            
            ++counter;
        }
    }
}