#include<stdio.h>
int main() {
    int n,i,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;
}