#include <bits/stdc++.h>
//#include <atcoder/all>
//using namespace atcoder;
using namespace std;
const int INF = 1e9;
using ll = long long;
using inv = vector<int>;
using stv = vector<string>;
using pint = pair<int,int>;
#define FOR(i,l,r) for(int i=(l); i<(r); i++)
#define rep(i,r) for(int i=0; i<(r); i++)
#define repl(i,r) for(long long i=0; i<(r); i++)
#define FORl(i,l,r) for(long long i=(l); i<(r); i++)
#define INFL ((1LL<<62)-(1LL<<31))
#define pb(x) push_back(x)
#define CIN(x) cin >> x

const ll MOD = 1e9+7;

int main(){
    int N;
    cin >> N;
    inv X(N),Y(N);
    rep(i,N) cin >> X[i] >> Y[i];

    int avx = 0;

    rep(i,N){
        avx += X[i];
    }
    avx /= N;

    int avy = 0;

    rep(i,N) avy += Y[i];
    avy /= N;

    int ans = 0;

    rep(i,N){
        ans += (abs(X[i]-avx)+abs(Y[i]-avy));
    }

    cout << ans << endl;
    
}