n = gets.to_i
r = gets.split(" ").map{|s| s.to_i}.sort
g = gets.split(" ").map{|s| s.to_i}.sort
b = gets.split(" ").map{|s| s.to_i}.sort

max = 3*10**3+1

cnt_r = Array.new(max, 0)
cnt_g = Array.new(max, 0)
cnt_b = Array.new(max, 0)

0.upto(n-1) {|i|
	cnt_r[r[i]] += 1
	cnt_g[g[i]] += 1
	cnt_b[b[i]] += 1
}

1.upto(max-1) {|i|
	cnt_r[i] += cnt_r[i-1]
	cnt_g[i] += cnt_g[i-1]
	cnt_b[i] += cnt_b[i-1]
}

cnt = 0
0.upto(n-1) {|i|
	a = r[i]
	rn = cnt_r[a] - cnt_r[a-1]
	1.upto(a) {|j|
		gn = cnt_g[j] - cnt_g[j-1]
		bn = cnt_b[a] - cnt_b[a-j]
		cnt += rn * gn * bn
	}
}

puts cnt