Obsecure problem 1

[Salih Dincer]

On Saturday, 30 July 2022 at 22:17:10 UTC, pascal111 wrote:
> The program works fine now:
>
> https://i.postimg.cc/3wkgXmVs/Screenshot-from-2022-07-31-00-04-23.png

I have a suggestion for you. Use modern possibilities instead of 
applying functions used in the past to the present. For example, 
in a world with UTF, ordinary string reversing can result in 
erroneous results.

Also, please don't use pictures, use Markdown instead...

SDB at 79