#include<stdio.h>
int main()
{
    int n;
    scanf("%d", &n);
    int arr[n];
    int allEven = 1;
    for (int i = 0; i <n; i++);
    {
        scanf("%d", &arr[i]);
        if (arr[i] % 2  != 0)
        {
            allEven = 0;
        }
        
    }
    if (allEven == 1)
    {
        printf("Invalid input");
        return 0;
    }
    for (int i = 0; i < n; i++)
    {
        if (arr[i] % 2 != 0)
        arr[i] = 1;
    }
    for (int i = 0; i < n; i++)
    {
        printf("%d ", arr[i]);
    }
    return 0;
}