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

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

S=[0]*(7*10**3+5)

for r in R:
    S[r]+=R[r]

for i in range(1,6*10**3+5):
    S[i]+=S[i-1]

ANS=0

for g in G:
    for b in B:
        ANS+=G[g]*B[b]*(S[g+b-1]-S[max(g,b)-1])

print(ANS)