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

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