#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]);
        ans += abs(y[i] - y[n / 2]);
    }
    cout << ans << endl;
}