#include <bits/stdc++.h>
using namespace std;

int main()
{
	double p, q;
	cin >> p >> q;

	double P[3];
	double all = 1;
	for( int i = 0; i < 3; i++ ) {
		P[i] = p * q;
		p = all - p;
		all -= P[i];
	}
	string ans = "NO";
	if( P[1] < P[2] ) ans = "YES";

	cout << ans << endl;
}