source_code: import java.util.*;
  
  
  public class Main {
      static int n=5;
      static int[] arr=new int[5];
  
      public static void main(String[] args) {
          Scanner sc = new Scanner(System.in);
          int n=sc.nextInt();
          int arr[]=new int[n];
          for (int i=0;i<n;i++)
          {
              arr[i]=sc.nextInt();
          }
          for (int i=0;i<n;i++)
          {
              if (arr[i]>=0)
              {
                  arr[i]=-arr[i]-1;
              }
          }
          if (n%2!=0)
          {
              int min=0;
              for (int i=1;i<n;i++)
              {
                  if (arr[i]<arr[min])
                      min=i;
              }
              arr[min]=-arr[min]-1;
          }
          for (int x:arr)
          {
              System.out.print(x + " ");
          }
  
      }
  }