from collections import Counter

N=int(input())
R=list(map(int,input().split()))
G=list(map(int,input().split()))
B=list(map(int,input().split()))
le=max(max(G)+max(B),max(R))+1
cnt=[0]*le
for r in R:
    cnt[r]+=1
cnt=[0]+cnt
for r in range(1,le+1):
    cnt[r]+=cnt[r-1]
ans=0
CG=Counter(G)
CB=Counter(B)
for g,cg in CG.items():
    for b,cb in CB.items():
        ans+=(cnt[g+b]-cnt[max(g,b)])*cg*cb
print(ans)