#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using pii=pair<int,int>;

#define all(a) a.begin(),a.end()
#define pb push_back
#define sz(a) ((int)a.size())

const int maxn=200005;
int n;
ll a[maxn],b[maxn],c[maxn],d[maxn];

signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    cin >> n;
    for(int i=0; i<n*2; ++i) cin >> a[i];
    for(int i=0; i<n*2; ++i) cin >> b[i];
    for(int i=0; i<n; ++i) cin >> c[i];
    for(int i=0; i<n; ++i) cin >> d[i];
    ll res=0;
    for(int i=0; i<n; ++i){
        ll maxx=-1;
        for(int j1: {0,1}) for(int j2: {0,1}) maxx=max(maxx,(j1?b[i*2]:a[i*2])+(j2?b[i*2+1]:a[i*2+1])+(j1==j2?c[i]:d[i]));
        res+=maxx;
    }
    cout << res << "\n";
}