#include <stdio.h>
#include <string.h>
#define MAX 2000

int c1[MAX];
int c2[MAX];

int step1, step2, pos;
int breaki;
int transform = 0;
void result(int a, int b)
{
			/*if(a>b){
			c1[0] = b;
			c2[0] = a;
			}
			else{
			c1[0] = a;
			c2[0] = b;
			}*/
			c1[0]=a;
			c2[0]=b;
			transform = 0;
			for (int i = 0; i < MAX - 1; i++)
			{
				if(c1[i]%2 == 0){
					c1[i+1]=c1[i]/2;				
				}				
				else{
					c1[i+1]=3*c1[i]+1;
				}
				if(c1[i] == 1 && transform >1){
					breaki = i;
					break;}
				transform++;
			}

			for (int i = 0; i < MAX - 1; i++)
			{				
				for (int j = 0; j < breaki; j++)
					if(c2[i] == c1[j])
					{
						step1 = i;
						step2 = j;
						pos = c1[j];
						return;
					}
				//if (c2[i] == 1)
					//break;
				if(c2[i]%2 == 0){
					c2[i+1]=c2[i]/2;				
				}				
				else{
					c2[i+1]=3*c2[i]+1;
				}
			}
}

int main(){
	int a,b;

	while(1){
		scanf("%d %d",&a,&b);
		if(a == 0 && b ==0)
			break;
		result(a,b);
		memset((void *)c1,0,(size_t)(MAX*sizeof(int)));
		memset((void *)c2,0,(size_t)(MAX*sizeof(int)));
		//if(a<=b){
		printf("%d needs %d steps, %d needs %d steps, they meet at %d", a, step2, b, step1, pos);
		//}

		/*else {
		printf("%d needs %d steps, %d needs %d steps, they meet at %d", a, step1, b, step2, pos);
		}*/
		printf("\n");

	}
	printf("\n");
	return 0;
}