#include <bits/stdc++.h>
using namespace std;
using ll=long long;
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 an=0;
    for(int i=0;i<N;i++)an+=abs(X[i]-X[N/2])+abs(Y[i]-Y[N/2]);
    cout<<an<<endl;
}