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

template<class T> istream& operator >> (istream& is, vector<T>& vec) {
    for(T& x : vec) is >> x;
    return is;
}

int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<int> x(n), a(n);
    cin >> x >> a;
    vector<int> s(n + 1);
    for(int i = 0; i < n; i++){
        s[i + 1] = s[i] ^ a[i];
    }

    vector<long long> dp(n + 1, 1ll << 60);
    dp[0] = 0;
    for(int i = 0; i < n; i++){
        for(int j = i; j < n; j++){
            dp[j + 1] = min(dp[j + 1], dp[i] + (s[j + 1] ^ s[i]) + x[j] - x[i]);
        }
    }
    cout << dp[n] << '\n';
}