#include <bits/stdc++.h>
using namespace std;
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(0);
  int n;
  cin >> n;
  vector<int> v(n);
  for (int i = 0; i < n; i++) cin >> v[i];
  for (int i = 0; i < n; i++) {
    if (v[i] >= 0) v[i] = -v[i] - 1;
  }
  if (n % 2) {
    int mx = -1, ind = -1;
    for (int i = 0; i < n; i++) {
      if (abs(v[i]) > mx) {
        mx = abs(v[i]);
        ind = i;
      }
    }
    v[ind] = -v[ind] - 1;
  }
  for (int i = 0; i < n; i++) cout << v[i] << " ";
}
