#include <bits/stdc++.h>
using namespace std;
using ld = long double;
int main() {
    int N;
    cin>>N;
    vector<int> A(N+2,0);
    for(int i=0;i<2;i++)for(int j=1;j<=N;j++){
        int p;
        cin>>p;
        A[j]=A[j]^p;
    }
    int an=0;
    for(int j=0;j<=N;j++)an+=(A[j]^A[j+1]);
    cout<<an/2<<endl;
}