#include <bits/stdc++.h>
using namespace std;
void __print(unsigned x) { cerr << x; }
void __print(int x) { cerr << x; }
void __print(long x) { cerr << x; }
void __print(unsigned long x) { cerr << x; }
void __print(float x) { cerr << x; }
void __print(double x) { cerr << x; }
void __print(long long x) { cerr << x; }
void __print(unsigned long long x) { cerr << x; }
void __print(long double x) { cerr << x; }
void __print(const char *x) { cerr << '\"' << x << '\"'; }
void __print(const string &x) { cerr << '\"' << x << '\"'; }
void __print(bool x) { cerr << (x ? "true" : "false"); }
void __print(char x) { cerr << '\'' << x << '\''; }
template <typename T, typename V>
void __print(const pair<T, V> &x) {
  cerr << '{';
  __print(x.first);
  cerr << ',';
  __print(x.second);
  cerr << '}';
}
template <typename T>
void __print(const T &x) {
  int f = 0;
  cerr << '{';
  for (auto &i : x) cerr << (f++ ? "," : ""), __print(i);
  cerr << "}";
}
void _print() { cerr << "]\n"; }
template <typename T, typename... V>
void _print(T t, V... v) {
  __print(t);
  if (sizeof...(v)) cerr << ", ";
  _print(v...);
}
void solve() {
  int n;
  cin >> n;
  vector<int> v(n);
  int s = 0;
  for (auto &x : v) {
    cin >> x;
    if (x >= 0) x = -x - 1;
    if (x < 0) s ^= 1;
  }
  if (s == 0) {
    for (int &x : v) cout << x << ' ';
  } else {
    int res = -1, pos = -1;
    for (int i = 0; i < n; i += 1) {
      int x = -v[i] - 1;
      if (x > res) {
        res = x;
        pos = i;
      }
    }
    if (~res) v[pos] = res;
    for (int &x : v) cout << x << ' ';
  }
}
int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);
  cout.tie(0);
  solve();
  return 0;
}
