#include <stdio.h>

#define MAX 40000000

int pa[MAX], pb[MAX];

int main(void)
{
	int a,b, sa,sb,s,i;
	int ax, bx;
	while(1) {
		scanf("%d %d\n", &a, &b);
		//a=rand()/1000000;
		//b=rand()/1000000;
		if (a==0 && b==0) break;
		for(i=0; i<MAX; i++) {
			pa[i] = pb[i] = -1;
		}
		ax=a; bx=b; sa=0; sb=0;
		while (1) {
			if (ax<MAX) pa[ax]=sa;
			if (bx<MAX) pb[bx]=sb;
			
			if (ax<MAX && pb[ax]>=0) {
				sb=pb[ax];
				s=ax;
				break;
			}
			if (bx<MAX && pa[bx]>=0) {
				sa=pa[bx];
				s=bx;
				break;
			}
			
			if (ax%2) ax=ax*3+1; else ax/=2;
			if (bx%2) bx=bx*3+1; else bx/=2;
			
			sa++; sb++;
		}
		printf("%d needs %d steps, %d needs %d steps, they meet at %d\n", a, sa, b, sb, s);
	}
	return 0;
}