#coding: UTF-8

import sys
import re
import itertools
from math import log
from collections import deque

### defs ###


### main ###
p,q = map(float, sys.stdin.readline().split())

P1 = (1-p)*q
P2 = p*(1-q)*q

if (P1<P2):
	print('YES')
else:
	print('NO')