#include <stdio.h>
#include <vector>
#include <algorithm>
using namespace std;

#define NMAX 810
#define MP make_pair
#define x first
#define y second

int N, stepmax;

pair<pair <int, int>, int> a[NMAX];
pair <int, int> b[NMAX];

int leg[NMAX];
char bun[NMAX];
char viz[NMAX];
int rez[NMAX];

void rot(pair <int, int> a[])
{
	int i;

	for (i = 1; i <= N; i++) {
		swap(a[i].x, a[i].y);
		a[i].x = -a[i].x;
	}
}

inline int srch(pair <int, int> val)
{
	int step = stepmax, x = 0;

	for (; step; step >>= 1)
		if (x + step <= N && a[x + step].x <= val) 
			x += step;

	if (a[x].x == val) return x;

	return 0;
}

int get_sol()
{
	int j, q, beg, e, nr;

	memset(viz, 0, sizeof(viz));

	for (j = 1, e = 1; j <= N && e; j++) {
		if (bun[j]) continue;

		for (nr = 1, q = j; ; nr++, q = leg[q]) {
			viz[q] = 1;
			rez[a[q].y] = nr & 1;
			if (!leg[q]) break;
		}

		if (nr & 1) e = 0; 
	}
	for (j = 1; j <= N && e; j++) {
		if (viz[j]) continue;

		for (nr = 1, q = beg = j; ; nr++, q = leg[q]) {
			if (!q) exit(0);
			viz[q] = 1;
			rez[a[q].y] = nr & 1;
			if (leg[q] == beg) break;
		}

		if (nr & 1) e = 0;
	}

	return e;
}


int main()
{
	int i, t, dx, dy, j, e = 0;

	freopen("overlap.in", "r", stdin);
	freopen("overlap.out", "w", stdout);

	scanf("%d", &N);

	for (stepmax = 1; stepmax <= N; stepmax <<= 1);

	for (i = 1; i <= N; i++) {
		scanf("%d %d", &a[i].x.x, &a[i].x.y);
		a[i].y = i;
	}

	sort(a + 1, a + N + 1);

	for (i = 1; i <= N; i++) b[i] = a[i].x;

	for (t = 0; t < 4; t++) {
		for (i = 1; i <= N; i++) {
			dx = a[i].x.x - b[1].x; dy = a[i].x.y - b[1].y;
			if (dx == 0 && dy == 0) continue;

			memset(bun, 0, sizeof(bun));
			for (j = 1; j <= N; j++) bun[ leg[j] = srch(MP(b[j].x + dx, b[j].y + dy)) ] = 1;

			e = get_sol();

			if (e) break;
		}
		if (e) break;

		rot(b);
	}

	for (i = 1; i <= N; i++) printf("%d\n", rez[i] + 1);

return 0;
}