#include <bits/stdc++.h>
#pragma comment(linker, "/STACK:64000000")
#pragma GCC optimize("Ofast")
#pragma GCC target("sse,sse2,sse3,ssse3,sse4,popcnt,abm,mmx,avx,tune=native")
#pragma GCC optimize("unroll-loops")
const int INF = 2e9 + 179, MOD = 1e9 + 7;
const long long int BIGINF = 2e18 + 179;
const long double EPS = 0.000001;
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  cout.tie(nullptr);
  cout << fixed << setprecision(20);
  srand(179);
  int n;
  cin >> n;
  vector<pair<long long int, long long int>> a(n);
  long long int px = 0, py = 0;
  vector<int> ans(n, 1);
  for (int i = 0; i < n; ++i) {
    cin >> a[i].first >> a[i].second;
    if (rand() % 2) {
      ans[i] = -1;
      px -= a[i].first;
      py -= a[i].second;
    } else {
      px += a[i].first;
      py += a[i].second;
    }
  }
  long long int urmom = 2250000000000;
  long long int urass = 1500000;
  int RenoInDeck = 1e8;
  while (RenoInDeck) {
    if (abs(px) < urass && abs(py) < urass) {
      if (px * px + py * py < urmom) {
        for (int i = 0; i < n; ++i) {
          cout << ans[i] << ' ';
        }
        cout << endl;
        return 0;
      }
    }
    int ind = rand() % n;
    if (ans[ind] == 1) {
      px -= 2 * a[ind].first;
      py -= 2 * a[ind].second;
      ans[ind] = -1;
    } else {
      px += 2 * a[ind].first;
      py += 2 * a[ind].second;
      ans[ind] = 1;
    }
    RenoInDeck--;
  }
  cout << "Skritiy pool" << endl;
  return 0;
}
