#include <iostream>
#include <vector>
#include <algorithm>
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 << '\n';
}