#include<bits/stdc++.h>
using namespace std;
#define pb push_back
#define mp make_pair
#define nline cout<<"\n"
#define fast ios_base::sync_with_stdio(false),cin.tie(0)
#define ain(A, B, C) assert(IN(A, B, C))
#define ull unsigned long long int
#define ll long long int
#define pii pair<int,int>
#define MAXX 100009
#define fr(a,b,i) for(int i=a;i<b;i++)
vector<int>G[MAXX];
ull a,b;
double ans;
map<double,int>dis;
int bfs(double src)
{
	queue<double>q;
	q.push(src);
	dis[src]=1;
	while(not q.empty())
	{
		double s=q.front();
		if(abs(s-ans)<1e-6)return dis[s];
		double t=(double)((s*1.0)/(s+1.0));
		q.push(t);
		dis[t]=dis[s]+1;
		q.push(s+1);
		dis[s+1]=dis[s]+1;
	}
}
int main()
{
	cin>>a>>b;
	ans=(double)((a*1.0)/b);
   int anss=bfs(1.0);
   cout<<anss<<endl;
   return 0;
}