#include <bits/stdc++.h>
using namespace std;
struct cww{cww(){ios::sync_with_stdio(false);cin.tie(0);}}star;
int main()
{	
	double p, q;
	cin >> p >> q;
	cout << ( ( 1 - p ) * q < p * ( 1 - q ) * q ? "YES" : "NO" ) << endl;    
	return 0;
}