#include <bits/stdc++.h>
using namespace std;
#define rep(i, n) for (int i = 0; i < (int)(n); i++)
#define ll long long
int main(void){
    int n;
    cin >> n;
    vector<int> a(2*n);
    vector<int> b(2*n);
    vector<int> x(2*n);
    vector<int> y(2*n);
    rep(i,2 * n) cin >> a[i];
    rep(i,2 * n) cin >> b[i];
    rep(i,n) cin >> x[i];
    rep(i,n) cin >> y[i];
    ll ans = 0;
    rep(i, n) ans += max({a[2 * i] + a[2 * i + 1] + x[i], a[2 * i] + b[2 * i + 1] + y[i], b[2 * i] + a[2 * i + 1] + y[i], b[2 * i] + b[2 * i + 1] + x[i]});
    cout << ans << endl;
    return 0;
}