#include <iostream>
using namespace std;


int main()
{
	double p,q,p1,p2;
	cin>>p>>q;
	p1 = (1 - p) * q;
	p2 = p * (1 - q) * q;
	if(p1<p2){
		cout<<"YES"<<endl;
	}else{
		cout<<"NO"<<endl;
	}
	return 0;
}