#include <cstdio>
#include <iostream>
#include <vector>
#include <map>
#include <set>
#include <string>
#include <cstring>
#include <sstream>
#include <algorithm>
#include <functional>
#include <queue>
#include <stack>
#include <cmath>
#include <iomanip>
 
#define FOR(i,a,b) for(int i=(a);i<(b);++i)
#define REP(i,n)  FOR(i,0,n)
#define CLR(a) memset((a), 0 ,sizeof(a))
#define MCLR(a) memset((a), -1 ,sizeof(a))

using namespace std;

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

	double p1 =
		(1-p)*(q);
	double p2 = 
		(p  )*(1-q)*q;

	if(p1 < p2)
		cout << "YES" << endl;
	else
		cout << "NO"  << endl;
}