class Program
    {
        static void Main()
        {
            int n = int.Parse(Console.ReadLine());
            ulong[] pointA = Array.ConvertAll(Console.ReadLine().Split(' '), num => ulong.Parse(num.ToString()));
            ulong[] pointB = Array.ConvertAll(Console.ReadLine().Split(' '), num => ulong.Parse(num.ToString()));
            ulong[] bounsX = Array.ConvertAll(Console.ReadLine().Split(' '), num => ulong.Parse(num.ToString()));
            ulong[] bounsY = Array.ConvertAll(Console.ReadLine().Split(' '), num => ulong.Parse(num.ToString()));
            ulong total = 0;

            for(int i = 0; i < n; i++)
            {
                ulong[] pattern = new ulong[4];
                pattern[0] = pointA[2*i] + pointA[2 * i + 1] + bounsX[i];
                pattern[1] = pointB[2*i] + pointB[2 * i + 1] + bounsX[i];
                pattern[2] = pointA[2*i] + pointB[2 * i + 1] + bounsY[i];
                pattern[3] = pointB[2*i] + pointA[2 * i + 1] + bounsY[i];
                Array.Sort(pattern);
                total += ulong.Parse(pattern[3].ToString());
            }
            Console.WriteLine(total);
        }
    }