#include <bits/stdc++.h>
using namespace std;
using i64 = int64_t;
int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int n;
    cin >> n;
    vector<int> a(n), b(n);
    for (int i = 0; i < n; i += 1) {
        cin >> a[i] >> b[i];
    }
    auto f = [&](vector<int> a) {
        sort(a.begin(), a.end());
        int res = 0;
        for (int ai : a) {
            res += abs(ai - a[n / 2]);
        }
        return res;
    };
    cout << f(a) + f(b);
}