#include <stdio.h>

int main(void){
	double p,q;
	double p1, p2;
	
	scanf("%lf %lf", &p, &q);
	
	p1 = 1.0 * (1-p) * q;
	p2 = 1.0 * p * (1-q) * q;
	
	if( p1 < p2 ){
		printf("YES\n");
	}else{
		printf("NO\n");
	}
	
	return 0;
}