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 = Counter(r)
g = Counter(g)
b = Counter(b)
acc = [0]*(3*10**3+1)
for i in range(1, 3*10**3+1):
    acc[i] += acc[i-1] + r[i]
ans = 0
for gg, gr in g.items():
    for bb, vb in b.items():
        ans += gr*vb*(acc[min(3*10**3, gg+bb-1)] - acc[max(gg-1, bb-1)])
print(ans)