#include <bits/stdc++.h>
#define ll long long
#define endl '\n'
using namespace std;
int main()
{
int n;
cin>>n;
vector<pair<ll,ll> > v(n);
ll maxx=0, maxy=0;
for(int i=0;i<n;i++)
cin>>v[i].first>>v[i].second,
maxx=max(maxx,abs(v[i].first) ),maxy=max(maxy,abs(v[i].second) );
ll minmx=1e11 , maxmx=-1e11 , minmy=1e11 , maxmy=-1e11 ;
for(int i=0;i<n;i++)
{
if(abs(v[i].first)==maxx)
minmx=min(minmx,abs(v[i].second )),
maxmx=max(maxmx,abs(v[i].second));
if(abs(v[i].second)==maxy)
minmy=min(minmy,abs(v[i].first)),
maxmy=max(maxmy,abs(v[i].first));
}
ll barax=-1e11,baray=-1e11;
for(int i=0;i<n;i++)
{
if(abs(v[i].first)>max(minmy,maxmy) && abs(v[i].second)>max(minmx,minmy))
barax=max(barax,abs(v[i].first)),
baray=max(baray,abs(v[i].second));
}
ll ans=maxx*2*maxy*2;
if(barax==-1e11 && baray==-1e11)
{ans=min(ans,max(minmy,maxmy)*2*maxy*2+max(minmx,maxmx)*2*maxx*2);goto go;}
ans=min(ans,max(minmy,maxmy)*2*maxy*2+max(minmx,maxmx)*2*maxx*2+barax*2*baray*2);
ans=min(ans,barax*2*maxy*2+baray*2*maxx*2);
ans=min(ans,max(barax,baray)*2*maxy*2+max(minmx,maxmx)*2*maxx*2);
ans=min(ans,max(minmy,maxmy)*2*maxy*2+max(barax,baray)*2*maxx*2);
go:;
cout<<ans;
return 0;
}
