#include <bits/stdc++.h>
#pragma GCC optimize("O3")
using namespace std;
mt19937 rng(chrono::steady_clock::now().time_since_epoch().count());
const long long mod = 1000000007;
long long r(pair<int, int> a) {
  long long x = a.first;
  long long y = a.second;
  return x * x + y * y;
}
pair<int, int> operator+(pair<int, int> a, pair<int, int> b) {
  return make_pair(a.first + b.first, a.second + b.second);
}
pair<int, int> operator-(pair<int, int> a, pair<int, int> b) {
  return make_pair(a.first - b.first, a.second - b.second);
}
int main() {
  ios_base::sync_with_stdio(false);
  int N;
  cin >> N;
  vector<pair<pair<int, int>, vector<int>>> a;
  for (int i = 1; i <= N; i++) {
    int x, y;
    cin >> x >> y;
    a.push_back({{x, y}, {i}});
  }
  shuffle(a.begin(), a.end(), rng);
  while (a.size() >= 3) {
    int i = a.size() - 1;
    int j = a.size() - 2;
    int wj = 1;
    pair<int, int> mnn = {1e8, 1e8};
    for (int x = a.size() - 3; x < (int)a.size(); x++) {
      for (int y = x + 1; y < (int)a.size(); y++) {
        if (x == y) continue;
        pair<int, int> v1 = a[x].first + a[y].first;
        pair<int, int> v2 = a[x].first - a[y].first;
        if (r(v1) < r(mnn)) {
          mnn = v1;
          i = x;
          j = y;
          wj = 1;
        }
        if (r(v2) < r(mnn)) {
          mnn = v2;
          i = x;
          j = y;
          wj = -1;
        }
      }
    }
    a[i].first = a[j].first = mnn;
    if (a[j].second.size() < a[i].second.size()) {
      for (int c : a[j].second) {
        a[i].second.push_back(c * wj);
      }
      a.erase(a.begin() + j);
    } else {
      if (wj == 1) {
        for (int c : a[i].second) {
          a[j].second.push_back(c * wj);
        }
        a.erase(a.begin() + i);
      } else {
        a[j].first = make_pair(0, 0) - a[j].first;
        for (int c : a[i].second) {
          a[j].second.push_back(-c);
        }
        a.erase(a.begin() + i);
      }
    }
  }
  if (a.size() == 2) {
    if (r(a[0].first - a[1].first) < r(a[0].first + a[1].first)) {
      for (int &i : a[1].second) i *= -1;
    }
  }
  int w[N + 1];
  for (auto ii : a) {
    for (int i : ii.second) {
      if (i > 0)
        w[i] = 1;
      else
        w[-i] = -1;
    }
  }
  for (int i = 1; i <= N; i++) cout << w[i] << " ";
}
