n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
c = [0] * (n + 2)
for i in range(n):
    c[i + 1] = a[i] ^ b[i]
ans = 0
for i in range(n + 1):
    if c[i] != c[i + 1]:
        ans += 1
print(ans // 2)