#include <iostream>
#include <string>
#include <vector>
#include <algorithm>
#include <atcoder/modint>
using namespace std;
using i32 = int32_t;
using u32 = uint32_t;
using i64 = int64_t;
using u64 = uint64_t;
#define rep(i,n) for(int i=0; i<(int)(n); i++)
const i64 INF = 1001001001001001001;

using Modint = atcoder::static_modint<998244353>;


int main(){
    int N; cin >> N;
    vector<i64> A(N*2), B(N*2), X(N), Y(N);
    rep(i,N*2) cin >> A[i];
    rep(i,N*2) cin >> B[i];
    rep(i,N) cin >> X[i];
    rep(i,N) cin >> Y[i];
    i64 ans = 0;
    rep(i,N) ans += max(Y[i]+max(A[i*2]+A[i*2+1],B[i*2+1]+B[i*2]),X[i]+max(A[i*2]+A[i*2+1],B[i*2]+B[i*2+1]));
    cout << ans << endl;
    return 0;
}



struct ios_do_not_sync{
    ios_do_not_sync(){
        ios::sync_with_stdio(false);
        cin.tie(nullptr);
    }
} ios_do_not_sync_instance;