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)

for i in range(N):
    # rdd[R[i]] += 1
    # gdd[G[i]] += 1
    rnum[R[i]] += 1
    gnum[G[i]] += 1

# print(rdd, gdd)
ans = 0
maxR = max(R)
for i in range(1, maxR+1):
    for j in range(1, i+1):
        add = rnum[i]*gnum[j]*(bisect_right(B, i) - bisect_right(B, i-j))
        ans += add
        """
        if r < g:
            continue
        add = rv*gv*(bisect_right(B, r) - bisect_right(B, r-g))
        # print(add)

        """

print(ans)