#include<iostream>
using namespace std;
int max(int n,int m);
int sum =0;
int main()
{
    int n,m;
    cin>>n>>m;
    sum = max(n,m);
    cout<<sum;
}
int max(int n,int m)
{

    if(n==m&&n==1)
        return sum;
    sum++;
    if(n>=m)
    {
        int a = n/2;
        n= n-a;
        max(n,m);
        max(a,m);
    }
    else
    {
       int b = m/2;
       m = m-b;
       max(n,m);
       max(n,b);
    }
  return sum;
}