#include <stdio.h>

int main()
{
int a,b, i, j, k=0;


int polea[500],poleb[500];

while(1)
{
  scanf("%d %d",&a,&b);
if (a == 0 && b==0)
   break;
   
   for(i=0;a>1;i++)
   {
    if(a&1)
    {
     a=a*3+1;
    }
    else
      a >>= 1;
      
    polea[i++]=a;
   }
   for(j=0;b>1;j++)
   {
    if(b&1)
    {
     b=b*3+1;
    }
    else
      b >>= 1;
    poleb[j++]=b;
   }
   i--;
   j--;
   for(;i>=0;i--)
     for(k=j;k>0;j--)
       if(polea[i]==poleb[j])
         goto after_for;
    
    after_for:
    printf("%d needs %d steps, %d needs %d steps, they meet at %d", a, i, b, k, polea[i]);
  
}
 return 0;
}