#include <cstdio>

int main(){
    double p, q;
    scanf("%lf %lf", &p, &q);

    double p1 = (1.0-p) * q, p2 = p * (1.0-q) * 1.0 * q;
    // printf("%.10f %.10f\n", p1, p2);
    if(p1 < p2){
        puts("YES");
    }else{
        puts("NO");
    }
}