N = int(input())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
C = list(map(int, input().split()))
a, b, c = 0, 0, 0
for i in range(N):
    a += min(A[i]%3, 1)
    b += min(B[i]%3, 1)
    c += min(C[i]%3, 1)
print(a*b*c)