#include <bits/stdc++.h>
using namespace std;

using ll = long long;
using ld = long double;
#define print(x) cerr << #x << " = " << x << endl
#define pii pair<int, int>

template<class T>
ostream& operator<<(ostream &out, vector<T> &cont) {
    out << "[";
    for (const auto &x : cont) out << x << ", ";
    out << "]";
    return out;
}

ld point_dist(pii p1, pii p2) {
    int a = abs(p1.first - p2.first);
    int b = abs(p1.second - p2.second);
    return sqrt(a * a + b * b);
}

int32_t main() {
    int N;
    cin >> N;
    set<pii> xs, ys;
    for (int i = 0; i < N; i++) {
        int x, y;
        cin >> x >> y;
        xs.insert({ x, y });
        ys.insert({ y, x });
    }

    while (xs.size() > 4) {
        pii mx = *xs.rbegin();
        pii mn = *xs.begin();
        xs.erase(mx);
        xs.erase(mn);
        ys.erase({ mx.second, mx.first });
        ys.erase({ mn.second, mn.first });

        mx = *ys.rbegin();
        mn = *ys.begin();
        ys.erase(mx);
        ys.erase(mn);
        xs.erase({ mx.second, mx.first });
        xs.erase({ mn.second, mn.first });
    }
    // asm("int3");
    pii a, b;
    ld mx1 = 0, mx2 = 0;
    pii p = *xs.begin();
    xs.erase(p);
    pii to_erase = *xs.rbegin();
    xs.erase(to_erase);
    pii p1 = *xs.begin();
    pii p2 = *xs.rbegin();


    ld dist1 = point_dist(p, p1);
    ld dist2 = point_dist(p, p2);
    int ans = round(dist1 * dist2);
    cout << ans << endl;
}