#include<bits/stdc++.h>
using namespace std;
typedef unsigned long long ll;

ll l, r, cnt;

int main()
{
//	freopen("D:\\test\\in.txt", "r+", stdin);
	ios::sync_with_stdio(false);
	cin >> l >> r;
	while (l <= r && l > 0) {
		cnt++;
		l *= 2;
	}
	cout << cnt << endl;
	return 0;
}