n = int(input())
*r, = map(int,input().split())
*g, = map(int,input().split())
*b, = map(int,input().split())
N = 3001
G = [0]*N
B = [0]*N
for i in g: G[i] += 1
for i in b: B[i] += 1
GB = [0]*(2*N)
for i in range(N):
    for j in range(N):
        GB[i+j] += G[i]*B[j]
for i in range(1,N):
    G[i] += G[i-1]
    B[i] += B[i-1]
    GB[i] += GB[i-1]
print(sum(G[i]*B[i] - GB[i] for i in r))