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

int median(vector<int>& v)
{
    size_t n = v.size() / 2;
    nth_element(v.begin(), v.begin() + n, v.end());
    return v[n];
}

int main()
{
    cin.tie(0)->sync_with_stdio(0);

    int N;
    cin >> N;
    vector<int> X(N);
    vector<int> Y(N);
    for (int i = 0; i < N; i++) {
        cin >> X[i] >> Y[i];
    }

    int Xmed = median(X);
    int Ymed = median(Y);

    int ans = 0;
    for (int i = 0; i < N; i++) {
        ans += abs(X[i] - Xmed) + abs(Y[i] - Ymed);
    }
    cout << ans << endl;

    return 0;
}