import sys
import io, os
input = io.BytesIO(os.read(0,os.fstat(0).st_size)).readline

from collections import defaultdict
from itertools import accumulate

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

    GC = defaultdict(lambda: 0)
    BC = defaultdict(lambda: 0)
    N = 3*10**3
    RC = [0]*(N+1)
    for g in G:
        GC[g] += 1
    for b in B:
        BC[b] += 1
    for r in R:
        RC[r] += 1
    RC = list(accumulate(RC))
    ans = 0
    for g, gc in GC.items():
        for b, bc in BC.items():
            x = min(N+1, max(g, b))
            y = min(N+1, g+b)
            cnt = RC[y-1]-RC[x-1]
            ans += max(0, cnt)*gc*bc
    print(ans)

if __name__ == '__main__':
    main()