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