#include <iostream>
#include <vector>
#include <algorithm>
#include <math.h>

#define ALL(x) (x).begin(),(x).end()
#define REP(i,n) for(int i = 0;i < (n);i++)
#define PI 3.14159265359
#define MOD 1000000007

using namespace std;

int main(){
    double p,q,a,b,c;
    cin >> p >> q;
    a = p*q;
    b = (1-p)*q;
    c = p*(1-q)*q;
    if(b < c)cout << "YES\n";
    else cout << "NO\n";
    return 0;
}