import sys

# sys.setrecursionlimit(200005)
int1 = lambda x: int(x)-1
pDB = lambda *x: print(*x, end="\n", file=sys.stderr)
p2D = lambda x: print(*x, sep="\n", end="\n\n", file=sys.stderr)
def II(): return int(sys.stdin.readline())
def LI(): return list(map(int, sys.stdin.readline().split()))
def LLI(rows_number): return [LI() for _ in range(rows_number)]
def LI1(): return list(map(int1, sys.stdin.readline().split()))
def LLI1(rows_number): return [LI1() for _ in range(rows_number)]
def SI(): return sys.stdin.readline().rstrip()

dij = [(0, 1), (-1, 0), (0, -1), (1, 0)]
# dij = [(0, 1), (-1, 0), (0, -1), (1, 0), (1, 1), (1, -1), (-1, 1), (-1, -1)]
inf = (1 << 63)-1
# inf = (1 << 31)-1
# md = 10**9+7
md = 998244353

from collections import Counter

m = 3000
n = II()
cr = Counter(LI())
cg = Counter(LI())

cb = [0]*(m+1)
for b in LI(): cb[b] += 1
cs = [0]
for c in cb: cs.append(cs[-1]+c)

ans = 0
for r in cr:
    for g in cg:
        if g > r: continue
        b = r-g
        ans += cr[r]*cg[g]*(cs[r+1]-cs[b+1])

print(ans)