#include <bits/stdc++.h>

using namespace std;

void fast_io() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
}

int main() {
    fast_io();
    int n;
    cin >> n;
    vector<long long> a(2 * n), b(2 * n), x(n), y(n);
    for (int i = 0; i < 2 * n; i++) {
        cin >> a[i];
    }
    for (int i = 0; i < 2 * n; i++) {
        cin >> b[i];
    }
    for (int i = 0; i < n; i++) {
        cin >> x[i];
    }
    for (int i = 0; i < n; i++) {
        cin >> y[i];
    }
    long long ans = 0;
    for (int i = 0; i < 2 * n; i += 2) {
        ans += max({a[i] + a[i + 1] + x[i / 2], b[i] + b[i + 1] + x[i / 2],
                    a[i] + b[i + 1] + y[i / 2], b[i] + a[i + 1] + y[i / 2]});
    }
    cout << ans << endl;
}