#include <bits/stdc++.h>
using namespace std;
using ll = long long;
using P = pair<ll,ll>;
#define fix(x) fixed << setprecision(x)
#define asc(x) x, vector<x>, greater<x>
#define rep(i, n) for(ll i = 0; i < n; i++)
#define all(x) (x).begin(),(x).end()
template<class T>bool chmin(T&a, const T&b){if(a>b){a=b;return 1;}return 0;}
template<class T>bool chmax(T&a, const T&b){if(a<b){a=b;return 1;}return 0;}
constexpr ll INFLL = (1LL << 62), MOD = 998244353;
constexpr int INF = (1 << 30);

int main(){
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    int n;
    cin >> n;
    vector<int> x(n),y(n);
    int ax = INF, ay = INF;
    rep(i,n) cin >> x[i] >> y[i];
    for(int i=1;i<=300;i++){
        int ux = 0, uy = 0;
        rep(j,n){
            ux += abs(x[j]-i);
            uy += abs(y[j]-i);
        }
        chmin(ax,ux);
        chmin(ay,uy);
    }
    cout << ax+ay << '\n';
    return 0;
}