n = int(input())
r = list(map(int, input().split()))
g = list(map(int, input().split()))
b = list(map(int, input().split()))

rr = [0] * 3001
for i in r:
    rr[i] += 1

gg = [0] * 3001
for i in g:
    gg[i] += 1

bb = [0] * 3001
for i in b:
    bb[i] += 1

gb = [0 for _ in range(3001)]
for i in range(1, 3001):
    x = gg[i]
    if x == 0:
        continue
    for j in range(1, 3001):
        y = bb[j]
        if y == 0:
            continue
        gb[max(i, j)] += x * y

result = 0
t = 0
for i in range(1, 3001):
    t += gb[i]
    result += rr[i] * t
print(result)