def main():
    n = int(input())
    r = list(map(int, input().split()))
    g = list(map(int, input().split()))
    b = list(map(int, input().split()))
    rn = [0] * 3001
    gn = [0] * 3001
    bn = [0] * 3001
    for i in range(n):
        rn[r[i]] += 1
    for i in range(n):
        gn[g[i]] += 1
    for i in range(n):
        bn[b[i]] += 1
    cumR = [0] * 3001
    for r in range(1, 3001):
        cumR[r] = cumR[r - 1] + rn[r]
    ans = 0
    for g in range(1, 3001):
        if gn[g] != 0:
            for b in range(1, 3001):
                if bn[b] != 0:
                    ans += gn[g] * bn[b] * (cumR[min(g + b - 1, 3000)] - cumR[max(g, b) - 1])
    print(ans)
main()