n = int(input())
a = list(map(int,input().split()))
b = list(map(int,input().split()))

ans = 0
for i in range(n-1):
	if (a[i] + a[i + 1]) - (a[i] ^ a[i + 1]) == b[i] ^ b[i+1]:
		ans += 1

for i in range(n):
	if b[i] == 0:
		ans += 1

print(ans)