#include <bits/stdc++.h>
using namespace std;

int main()
{
    int n;
    cin >> n;
    vector<int> x(n), y(n);
    for (int i = 0; i < n; i++)
        cin >> x[i] >> y[i];
    sort(x.begin(), x.end());
    sort(y.begin(), y.end());
    int ans = 0;
    for (int i = 0; i < n; i++)
        ans += abs(x[i] - x[n / 2]) + abs(y[i] - y[n / 2]);
    cout << ans << endl;
}