#include <bits/stdc++.h>
using namespace std;



int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);

    int n;
    cin >> n;

    vector<int> X(n),A(n);
    for (auto &x : X) cin >> x;
    for (auto &a : A) cin >> a;

    const long long INF = 1e15;

    vector<long long> dp(n+1,INF);
    dp[0] = 0;

    for (int i = 0; i < n; i++){
        long long num = 0;
        long long pos = X[i];

        for (int j = i; j < n; j++){
            num ^= A[j];
            dp[j+1] = min(dp[j+1],dp[i]+num+X[j]-pos);
        }
    }
    cout << dp[n] << endl;




    return 0;
}