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

cr = [0] * 3001
cg = [0] * 3001
cb = [0] * 3001
for r in R: cr[r] += 1
for g in G: cg[g] += 1
for b in B: cb[b] += 1

for i in range(1, 3001):
    cb[i] += cb[i - 1]
ans = 0
for i in range(1, 3001):
    if cr[i] == 0: continue
    for j in range(1, i + 1):
        ans += cr[i] * cg[j] * (cb[i] - cb[i - j])
print(ans)