#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int aP[100000001];
int bP[100000001];

int a,aZ,a_step;
int b,bZ,b_step;
int final;

void magic()
{
aZ=a;
bZ=b;

if(a!=b)
while(true)
{
	if(a%2==0)
	{
	a=a/2;
	}	
	else
	{
	a=3*a+1;
	}
	
	if(b%2==0)
	{
	b=b/2;
	}	
	else
	{
	b=3*b+1;
	}
	
	a_step++;
	b_step++;
	
	if(aP[a]==0)
	aP[a]=a_step;
	
	
	if(bP[b]==0)
	bP[b]=b_step;
	
	if(a==bZ)
	{b_step=0; final=a; break;}
	
	if(b==aZ)
	{a_step=0; final=b; break;}
	
	if(bP[a]!=0)
	{final=a; b_step=bP[a]; break;}
	
	if(aP[b]!=0)
	{final=b; a_step=aP[b]; break;}
}

printf("%d needs %d steps, %d needs %d steps, they meet at %d\n",aZ,a_step,bZ,b_step,final);
}

int main()
{

while(true)
{

memset(&aP[0],0,sizeof(int)*100000001);
memset(&bP[0],0,sizeof(int)*100000001);
b=bZ=b_step=a=aZ=a_step=final=0;

scanf("%d%d",&a,&b);
if(a==0 && b==0)
break;
else
magic();
}


return 0;
}