N = int(input())
lA = [0] + list(map(int, input().split()))
lB = [0] + list(map(int, input().split()))
# ans = 0
# f = 0
# for i in range(N):
#     if lA[i] == lB[i] and f == 1:
#         ans +=1
#         f = 0
#     elif lA[i] != lB[i]:
#         f = 1

# if f == 1:
#     print(ans + 1)
# else:
#     print(ans)
lC = []
lD = []
ans = 0
for i in range(len(lA) - 1):
    lC.append(lA[i] ^ lA[i + 1])
    lD.append(lB[i] ^ lB[i + 1])

for i in range(len(lC)):
    if lC[i] != lD[i]:
        ans += 1

print((ans+1) // 2)