import sys
readline=sys.stdin.readline
write=sys.stdout.write
from math import gcd as GCD
import math

N=int(readline())
A=list(map(int,readline().split()))
B=list(map(int,readline().split()))
AB=[0]+[a^b for a,b in zip(A,B)]+[0]
ans=sum(AB[i]^AB[i+1] for i in range(N+1))//2
print(ans)