#include <atcoder/all>
#include <bits/stdc++.h>
using ll = long long;
using ull = unsigned long long;
#define rep(i, n) for(int i = 0; i < (int)(n); i++)
#define REP(i, m, n) for(int i = (int)(m); i < (int)(n); i++)
using namespace std;
using namespace atcoder;
using mint = modint998244353;
const int inf = 1000000007;
const ll longinf = 1ll << 60;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    cout.tie(0);
    int n;
    cin >> n;
    vector<int> a(n), x(n);
    rep(i, n) cin >> x[i];
    rep(i, n) cin >> a[i];
    vector dp(n + 1, inf);
    dp[0] = 0;
    rep(i, n) {
        int v = 0;
        REP(j, i, n) {
            v ^= a[j];
            dp[j + 1] = min(dp[j + 1], dp[i] + v + x[j] - x[i]);
        }
    }
    cout << dp[n] << endl;
    return 0;
}