N = int(input())
A = list(map(int, input().split()))
B = list(map(int, input().split()))


ans = 0
for i in range(N):
    if B[i] == 1:
        continue
    tot = 0
    xor = 0
    j = i
    while (tot + A[j]) - (xor ^ A[j]) == 0 and j >= 0:
        ans += 1
        tot += A[j]
        xor ^= A[j]
        j -= 1

print(ans)