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