from collections import Counter
from itertools import accumulate

N = int(input())
R = list(map(int, input().split()))
G = list(map(int, input().split()))
B = list(map(int, input().split()))

size = 3010
bs = [0] * size
for b in B:
    bs[b] += 1
cum = list(accumulate(bs))

rs = Counter(R)
gs = Counter(G)
ans = 0
for r in rs:
    for g in range(1, r+1):
        if gs[g] == 0: continue
        ans += (cum[r] - cum[r-g]) * rs[r] * gs[g]

print(ans)