from collections import Counter

n = int(input())
R = list(map(int, input().split()))
G = list(map(int, input().split()))
B = list(map(int, input().split()))
R.sort()
G.sort()
B.sort()
Rc = Counter(R)
Gc = Counter(G)
Bc = Counter(B)
S = [0] * 10 ** 4
for r in R:
    S[r] += Rc[r]
for i in range(len(S)):
    S[i] += S[i-1]
ans = 0
for g in G:
    for b in B:
        ans += Gc[g] * Bc[b] * (S[g+b-1] - S[max(g, b) - 1])
print(ans)