# -*- coding: utf-8 -*-
"""
No.159 刺さらないUSB
https://yukicoder.me/problems/no/159

"""
import sys
from sys import stdin
input = stdin.readline


def main(args):
    p, q = map(float, input().split())

    p1 = (1 - p) * 1 * q
    p2 = p * (1 - q) * 1 * q
    if p1 < p2:
        print('YES')
    else:
        print('NO')


if __name__ == '__main__':
    main(sys.argv[1:])