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


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

print(ans)