#include <iostream>
#include<fstream>
#include<cmath>
using namespace std;
int main(){
    ifstream in;
    ofstream ou;
    int a,b;
    in.open("input.txt");
    in>>a;
    in>>b;
    int cont=0;
    int z;
    while(a!=1||b!=1){
        if(a%2==0&&b%2==0){
           z=log2(a);
           if(pow(2,z)==a&&a==b){
               cont+=z;
               a=1;
               b=1;
           }else{
               a/=2;
               b/=2;
               cont++;
           }
        }else if(a%2!=0&&b%2!=0){
            a*=3;
            a++;
            b*=3;
            b++;
            cont+=2;
            a/=2;
            b/=2;
        }else if(a%2==0){
            b+=3;
            cont+=2;
            a/=2;
            b/=2;
        }else{
            a+=3;
            a/=2;
            b/=2;
            cont+=2;
        }
    }
    ou.open("output.txt");
    ou<<cont;
    return 0;
}