func main()
	var n: int :: cui@inputInt()
	var na: int :: 0
	var nb: int :: 0
	var nc: int :: 0
	for i(0, n - 1)
		var a: int :: cui@inputInt()
		do na :+ a % 3 = 0 ?(0, 1)
	end for
	for i(0, n - 1)
		var b: int :: cui@inputInt()
		do nb :+ b % 3 = 0 ?(0, 1)
	end for
	for i(0, n - 1)
		var c: int :: cui@inputInt()
		do nc :+ c % 3 = 0 ?(0, 1)
	end for
	var ans: int :: na * nb * nc
	do cui@print("\{ans}\n")
end func