#include <cstdlib>
#include <cstdio>


int vhodny(int a, int b) {
	int vhod;
	
	if ((a + b) % 2 == 0) {
		vhod = (a >=b) ? a : b;
		return vhod;
	}
	vhod = (a % 2 == 0) ? a : b;
	return vhod;
	
}


int main(int argc, char** argv)
{
	
	int a, b;
	int rozk1[1000000];	
	
	while (1) {
		scanf("%d %d\n", &a, &b);
		if (a == 0 && b == 0) break;
		
		int vhod = vhodny(a,b);
		
		int i = 0;
		while (vhod != 1) {
			rozk1[i] = vhod;
			if (vhod % 2 == 0) vhod /= 2;
			else vhod = 3*vhod + 1;
			i++;			
		}
		
		int nevhod;
		nevhod = (vhod == a) ? b : a;
		bool hodn = false;
		int cnt = 0;
		
		while (!hodn) {
			
			for (int j = 0; j < i; j++) {
				if (nevhod == rozk1[j]) {
					printf("%d needs %d steps, %d needs %d steps, they meet at %d\n", a, (a==vhod) ? j : cnt , b, (b==vhod) ? j : cnt, nevhod);
					hodn = true;
					break;
				}
			}
			
			if (nevhod % 2 == 0) nevhod /= 2;
			else nevhod = 3*nevhod + 1;
			cnt++;
			
		}
		
	
	}
	
	return 0;
}