# -*- coding: utf-8 -*-
import sys

p, q = map(float, raw_input().split())

assert 0 <= p <= 1
assert 0.1 <= q <= 1

P0 = p * q
P1 = (1 - p) * q
P2 = p * (1 - q) * q

assert 0.00001 <= abs(P1 - P2)

sys.stderr.write(str(P1) + "\n")
sys.stderr.write(str(P2) + "\n")

if P1 < P2:
    print "YES"
else:
    print "NO"