using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;
class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    static string[] SList(long n) => Enumerable.Repeat(0, (int)n).Select(_ => ReadLine()).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var map = NArr(n);
        var x = new List<int>(n);
        var y = new List<int>(n);
        foreach (var et in map)
        {
            x.Add(et[0]);
            y.Add(et[1]);
        }
        x.Sort();
        y.Sort();
        var ans = 0;
        foreach (var et in map)
        {
            ans += Math.Abs(et[0] - x[n / 2]) + Math.Abs(et[1] - y[n / 2]);
        }
        WriteLine(ans);
    }
}