func main()
	var _: [][]char :: cui@input().split(" ")
	var p: float :: _[0].toFloat(&)
	var q: float :: _[1].toFloat(&)
	
	; P_0 = p * q
	; P_1 = (1.0 - p) * q
	; P_2 = p * (1 - q) * q
	var ans: bool :: 1.0 - p < p * (1.0 - q)
	do cui@print(ans ?("YES\n", "NO\n"))
end func