#include <iostream>
#include <cmath>
using namespace std;
 
int main() {
	//code
	double L, B; cin >> L >> B;
	double num = log(B / L); //cout << num << endl;
	double denum = log(3.0 / 2.0); //cout << denum << endl;
	double res = num / denum;
	long long ans = (long long)(ceil(res) );
	long long a1 = ((long long)L) * pow(3, ans);
	long long a2 = ((long long)B) * pow(2, ans);
	if(a1 <= a2) {cout << ans + 1; return 0;}
	cout << ans;
	return 0;
}

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