#include <bits/stdc++.h>
using namespace std;
template <typename TH>
void _dbg(const char* sdbg, TH h) {
  cerr << sdbg << "=" << h << "\n";
}
template <typename TH, typename... TA>
void _dbg(const char* sdbg, TH h, TA... t) {
  while (*sdbg != ',') cerr << *sdbg++;
  cerr << "=" << h << ",";
  _dbg(sdbg + 1, t...);
}
template <class C>
void mini(C& a4, C b4) {
  a4 = min(a4, b4);
}
template <class C>
void maxi(C& a4, C b4) {
  a4 = max(a4, b4);
}
template <class T1, class T2>
ostream& operator<<(ostream& out, pair<T1, T2> pair) {
  return out << "(" << pair.first << ", " << pair.second << ")";
}
template <class A, class B, class C>
struct Triple {
  A first;
  B second;
  C third;
  bool operator<(const Triple& t) const {
    if (first != t.first) return first < t.first;
    if (second != t.second) return second < t.second;
    return third < t.third;
  }
};
template <class T>
void ResizeVec(T&, vector<long long>) {}
template <class T>
void ResizeVec(vector<T>& vec, vector<long long> sz) {
  vec.resize(sz[0]);
  sz.erase(sz.begin());
  if (sz.empty()) {
    return;
  }
  for (T& v : vec) {
    ResizeVec(v, sz);
  }
}
template <class A, class B, class C>
ostream& operator<<(ostream& out, Triple<A, B, C> t) {
  return out << "(" << t.first << ", " << t.second << ", " << t.third << ")";
}
template <class T>
ostream& operator<<(ostream& out, vector<T> vec) {
  out << "(";
  for (auto& v : vec) out << v << ", ";
  return out << ")";
}
template <class T>
ostream& operator<<(ostream& out, set<T> vec) {
  out << "(";
  for (auto& v : vec) out << v << ", ";
  return out << ")";
}
template <class L, class R>
ostream& operator<<(ostream& out, map<L, R> vec) {
  out << "(";
  for (auto& v : vec) out << v << ", ";
  return out << ")";
}
struct Point {
  long long x, y;
  Point operator+(Point p) { return {x + p.x, y + p.y}; }
  Point operator-(Point p) { return {x - p.x, y - p.y}; }
  Point operator*(long long a) { return {x * a, y * a}; }
};
const long long N = 1e5 + 5;
Point pt[N];
long long sigs[N];
long long SqLen(Point p) { return p.x * p.x + p.y * p.y; }
int32_t main() {
  ios_base::sync_with_stdio(0);
  cout << fixed << setprecision(10);
  if (0) cout << fixed << setprecision(10);
  cin.tie(0);
  long long n;
  cin >> n;
  Point pos{0, 0};
  for (long long i = (1); i <= (n); ++i) {
    long long x, y;
    cin >> x >> y;
    pt[i] = {x, y};
    long long sign = 2 * (rand() % 2) - 1;
    sigs[i] = sign;
    pos = pos + (pt[i] * sign);
  }
  long long lol = (long long)(1.5e6);
  lol *= lol;
  long long swaps = 0;
  while (SqLen(pos) > lol) {
    long long sz = 1 + rand() % 4;
    if (sz > n) {
      continue;
    }
    swaps++;
    set<long long> inds;
    while (((long long)(inds).size()) < sz) {
      inds.insert(1 + rand() % n);
    }
    Point sum{0, 0};
    for (auto ind : inds) {
      sum = sum + (pt[ind] * sigs[ind]);
    }
    Point cand = pos - (sum * 2);
    if (SqLen(cand) < SqLen(pos)) {
      pos = cand;
      for (auto ind : inds) {
        sigs[ind] *= -1;
      }
    }
  }
  for (long long i = (1); i <= (n); ++i) {
    cout << sigs[i] << " ";
  }
  cout << endl;
  (swaps);
  return 0;
}
