n = int(input())
r = list(map(int,input().split()))
g = list(map(int,input().split()))
b = list(map(int,input().split()))
rls = [0] * 3001
gls = [0] * 3001
bls = [0] * 3001
for i in r:
	rls[i] += 1
for i in g:
	gls[i] += 1
for i in b:
	bls[i] += 1
c = 0
for i in range(1, 3001):
	for j in range(1, i+1):
		for k in range(max(1, i-j), i+1):
			c += rls[i] * gls[j] * bls[k]
print(c)