func main()
	var n: int :: cui@inputInt()
	var m: int :: n
	var t: int :: 0
	while(m > 0)
		do m :/ 2
		do t :+ 1
	end while
	var a: int :: n
	var b: int :: 2 ^ (t - 1)
	var c: int :: a - b
	if(c = 0)
		do a :: -1
		do b :: -1
		do c :: -1
	end if
	do cui@print("\{a} \{b} \{c}\n")
end func