#include <stdio.h>

int main() {
	double p, q, p1, p2;

	scanf("%lf %lf", &p, &q);

	p1 = (1 - p)*q;
	p2 = p*(1 - q)*q;
	
	if (p1 < p2) printf("YES\n");
	else printf("NO\n");

	return 0;
}