#include <stdio.h>

int main(void) {
	float p, q;
	float p1, p2;

	scanf("%f %f", &p, &q);
	p1 = (1-p)*q;
	p2 = p*(1-q)*q;
	if (p1 < p2) {
		printf("YES\n");
	} else {
		printf("NO\n");
	}

	return 0;
}