func main()
	var _: [][]char :: cui@input().split(" ")
	var A: int :: _[0].toInt(&)
	var B: int :: _[1].toInt(&)
	var ans: bool :: A < B
	do cui@print(ans ?("YES\n", "NO\n"))
	do cui@print("\{A + 1 > B ?(A + 1 - B, B - A - 1)}\n")
end func