N = int(input())
R = list(map(int,input().split()))
G = list(map(int,input().split()))
B = list(map(int,input().split()))
Cr = [0]*(3000+1)
Cg = [0]*(3000+1)
Cb = [0]*(3000+1)
for i in range(N):
    Cr[R[i]] += 1
    Cg[G[i]] += 1
    Cb[B[i]] += 1
cumb = [0]*(3000+1)
for i in range(1,3000+1):
    cumb[i] = cumb[i-1]+Cb[i]
ans = 0
for r in range(1,3000+1):
    for g in range(1,r+1):
        ans += Cr[r]*Cg[g]*(cumb[r]-cumb[r-g])
print(ans)