#include <bits/stdc++.h>
using namespace std;
int main(void){
    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 x = X[n/2], y = Y[n/2];
    
    int sum = 0;
    for (int i = 0; i < n; i++) {
        sum += abs(X[i]-x) + abs(Y[i] - y);
    }
    cout << sum << endl;
}