import java.util.Scanner;
public class Main
{
    public static void main(String[] args)
    {
        Scanner scanner = new Scanner(System.in);
        int n = scanner.nextInt();
        int[] arr = new int[n];
        for (int i = 0; i < n; i++);
        {
            arr[i]= scanner.nextInt();
        }
        boolean allEven = true;
        for (int num : arr)
        {
            if (num % 2 != 0)
            {
                allEven = false;
                break;
            }
        }
        if (allEven)
        {
            System.outprintln("Invalid input");
        }
        else{
            for (int num : arr)
            {
                System.outprint((num % 2 != 0) ? 1 : num);
                System.out.print(" ");
            }
        }
        scanner.close();
    }
}