#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000001
#define Inf64 4000000000000000001



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