import sys
input = sys.stdin.readline
from collections import *

n = int(input())
r = Counter(list(map(int, input().split())))
g = Counter(list(map(int, input().split())))
b = Counter(list(map(int, input().split())))
acc = [0]

for i in range(3010):
    acc.append(acc[-1]+b[i])

ans = 0

for k1 in r:
    for k2 in g:
        if k2<=k1:
            ans += r[k1]*g[k2]*(acc[k1+1]-acc[k1-k2+1])

print(ans)