#include <iostream>
#include <vector>
#include <set>
#include <cmath>

using namespace std;

struct orderX {
    bool operator () (const pair<int,int> & lhs, const pair<int,int> & rhs) const {
        return lhs.first < rhs.first || (lhs.first == rhs.first && lhs.second < rhs.second);
    }
};

struct orderY {
    bool operator () (const pair<int,int> & lhs, const pair<int,int> & rhs) const {
        return lhs.second < rhs.second || (lhs.second == rhs.second && rhs.first < lhs.first);
    }
};

int main() {
    int n;
    cin >> n;
    set<pair<int,int>,orderX> coordsX;
    set<pair<int,int>,orderY> coordsY;
    for(int i = 0; i < n; ++i) {
        int x, y;
        cin >> x >> y;
        coordsX.insert({x,y});
        coordsY.insert({x,y});
    }
    auto yFront = coordsY.begin();
    auto yBack = --coordsY.end();
    while(coordsX.size() > 4) {
        auto minX = *(coordsX.begin());
        auto maxX = *(--coordsX.end());
        coordsX.erase(coordsX.begin());
        coordsX.erase(--coordsX.end());
        coordsY.erase(minX);
        coordsY.erase(maxX);
        coordsX.erase(*(yFront++));
        coordsX.erase(*(yBack--));
        coordsY.erase(coordsY.begin());
        coordsY.erase(--coordsY.end());
    }

//    for(auto i : coordsX) {
//        cout << "[" << i.first << ", " << i.second << "]" << endl;
//  >  }
    auto a = *coordsX.begin(), b = *(++coordsX.begin()), c = *(++(++coordsX.begin()));
//    for(auto i : {a, b, c}) {
//        cout << "[" << i.first << ", " << i.second << "]" << endl;
//    }
    cout << hypot(a.first - b.first, a.second - b.second) * hypot(c.first - a.first, c.second - a.second) << endl;
    return 0;
}