#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define F first
#define S second
#define all(x) (x).begin(), (x).end()
#define rall(x) (x).rbegin(), (x).rend()
#define sz(x) (int)(x).size()
#define double long double

struct Point {
    int x, y;
};

struct cmpX {
    bool operator()(Point a, Point b) const {
        return tie(a.x, a.y) < tie(b.x, b.y);
    }
};

struct cmpY {
    bool operator()(Point a, Point b) const {
        return tie(a.y, a.x) < tie(b.y, b.x);
    }
};

double dist (double x1, double y1, double x2, double y2) {
    return sqrtl((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
}

void solve() {
    int n; cin >> n;
    set<Point, cmpX> srtX;
    set<Point, cmpY> srtY;
    for (int i = 0; i < n; i++) {
        Point p; cin >> p.x >> p.y;
        srtX.insert(p);
        srtY.insert(p);
    }
    while (sz(srtX) > 4) {
        Point mnY = *srtY.begin();
        srtY.erase(mnY);
        srtX.erase(mnY);
        Point mxY = *prev(srtY.end());
        srtY.erase(mxY);
        srtX.erase(mxY);
        Point mnX = *srtX.begin();
        srtY.erase(mnX);
        srtX.erase(mnX);
        Point mxX = *prev(srtX.end());
        srtY.erase(mxX);
        srtX.erase(mxX);
    }
    assert(srtX.size() == 4);
    auto p1 = *srtX.begin();
    srtX.erase(srtX.begin());
    auto p2 = *srtX.begin();
    srtX.erase(srtX.begin());
    auto p3 = *srtX.begin();
    srtX.erase(srtX.begin());
    auto p4 = *srtX.begin();
    srtX.erase(srtX.begin());
    // area = side 12 times side 13
    int area = dist(p1.x, p1.y, p2.x, p2.y) * dist(p1.x, p1.y, p3.x, p3.y) + 0.1;
    cout << area << endl;
}

signed main() {
    solve();
}