#include <bits/stdc++.h>
using namespace std;
typedef long long ll;
typedef pair<ll,ll> PP;
//#define MOD 1000000007
#define MOD 998244353
#define INF 2305843009213693951
//#define INF 810114514
#define PI 3.141592653589
#define setdouble setprecision
#define REP(i,n) for(ll i=0;i<(n);++i)
#define OREP(i,n) for(ll i=1;i<=(n);++i)
#define RREP(i,n) for(ll i=(n)-1;i>=0;--i)
#define ALL(v) (v).begin(), (v).end()
#define GOODBYE do { cout << "-1" << endl; return 0; } while (false)
#define MM <<" "<<
#define Endl endl
#define debug true
#define debug2 false

vector<pair<ll,ll>> XY;

ll area(ll i,ll j,ll k){
    ll a = XY[j].first -XY[i].first;
    ll b = XY[j].second-XY[i].second;
    ll c = XY[k].first -XY[i].first;
    ll d = XY[k].second-XY[i].second;
    return a*d-b*c;
}

ll area(ll i,ll j,ll k,ll l){
    return abs(area(i,j,k))+abs(area(k,l,i));
}

int main(void){
    //cin.tie(nullptr);
    //ios::sync_with_stdio(false);

    ll N;
    cin >> N;
    XY.resize(N);
    REP(i,N){
        cin >> XY[i].first >> XY[i].second;
    }

    //cout << area(0,1,2,3) << endl;

    ll Ans = 0;
    REP(i,N){
        REP(j,N){
            if(i>=j)continue;
            ll num1 = 0,num2 = 0;
            REP(k,N){
                if(k==i || k==j)continue;

                num1 = max(num1,area(i,j,k));
                num2 = min(num2,area(i,j,k));
            }
            Ans = max(Ans,abs(num1-num2));

        }
    }

    cout << Ans << endl;


    return 0;
}