#include <cstdio>
#include <queue>
#include <map>
#define Nmax 805
#define mp make_pair

using namespace std;

struct Point
{
    int x,y;
} a[Nmax];

const int sin[]={0,1, 0,-1};
const int cos[]={1,0,-1, 0};
map < pair<int,int> , int > M;
int sol[Nmax],n,cuplez[Nmax];
bool viz[Nmax];
queue <int> Q;

inline bool Solve(int rot, int dx, int dy)
{
    int i,nr=0;
    for(i=1;i<=n;++i) viz[i]=false;
    for(i=1;i<=n;++i)
    {
        if(viz[i]) continue;
        Point P;
        P.x=a[i].x*cos[rot]-a[i].y*sin[rot]+dx;
        P.y=a[i].x*sin[rot]+a[i].y*cos[rot]+dy;
        if(M[mp(P.x,P.y)])
        {
            cuplez[i]=M[mp(P.x,P.y)];
            if(viz[cuplez[i]]) continue;
            sol[i]=1; sol[cuplez[i]]=2;
            ++nr;
            viz[cuplez[i]]=true;
        }
    }
    return (nr==n/2);
}

int main()
{
    int i,t;
    freopen ("overlap.in","r",stdin);
    freopen ("overlap.out","w",stdout);
    scanf("%d", &n);
    for(i=1;i<=n;++i)
    {
        scanf("%d%d", &a[i].x,&a[i].y);
        M[mp(a[i].x,a[i].y)]=i;
    }
    for(t=0;t<4;++t)
    {
        Point P;
        P.x=a[1].x*cos[t]-a[1].y*sin[t];
        P.y=a[1].x*sin[t]+a[1].y*cos[t];
        for(i=2;i<=n;++i)
        {
            int xx=a[i].x-P.x,yy=a[i].y-P.y;
            if(Solve(t,xx,yy))
            {
                for(i=1;i<=n;++i) printf("%d\n", sol[i]);
                return 0;
            }
        }
    }
    return 0;
}