from itertools import accumulate
from collections import defaultdict
from bisect import bisect_right, bisect_left
N = int(input())

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

B.sort()

# rdd = defaultdict(int)
# gdd = defaultdict(int)

rnum = [0]*(3*10**3+1)
gnum = [0]*(3*10**3+1)
bnum = [0]*(3*10**3+1)

for i in range(N):
    # rdd[R[i]] += 1
    # gdd[G[i]] += 1
    rnum[R[i]] += 1
    gnum[G[i]] += 1
    bnum[B[i]] += 1
bnum_cum = [0] + list(accumulate(bnum))

ans = 0
maxR = max(R)
for i in range(1, maxR+1):
    for j in range(1, i+1):
        add = rnum[i]*gnum[j]*(bnum_cum[i] - bnum_cum[i-j])
        ans += add

print(ans)