#include<iostream>
#include<cstdio>
#include<algorithm>
#include<climits>
#include<string>
#include<vector>
#include<list>
#include<map>
#include<set>
#include<cmath>
#include<queue>
#include<cstring>
#include<stack>
using namespace std;

int main(){
	double P,Q,p1=0,p,p_,p1_=0,p2=0,p2_=0,s;
	cin>>P>>Q;
	p = P*Q; p_ = (1-P)*(1-Q);
	p1 = (1-p_)*P*Q; p1_ = (1-p)*(1-P)*(1-Q);
	p2 = (1-p1_)*P*Q; p2_ = (1-p1)*(1-P)*(1-Q);
	if(p1+p1_<p2+p2_) puts("YES");
	else puts("NO");
    return 0;
}