#include<bits/stdc++.h>
using namespace std;
using ll=long long;
using pii=pair<int,int>;

#define all(a) a.begin(),a.end()
#define pb push_back
#define sz(a) ((int)a.size())

const int N=305;
int n,a[N],b[N];

signed main(){
    ios_base::sync_with_stdio(0),cin.tie(0);
    cin >> n;
    for(int i=0; i<n; ++i) cin >> a[i] >> b[i];
    sort(a,a+n),sort(b,b+n);
    int x=a[(n-1)/2],y=b[(n-1)/2];
    int res=0;
    for(int i=0; i<n; ++i) res+=abs(x-a[i])+abs(y-b[i]);
    cout << res << "\n";
}