Hi archieg. Welcome to the Monastery.

Please Update your original post to use  <c> ... </c> or  <code> ... </code> tags around code, data and input/output. Please see Markup in the Monastery and Writeup Formatting Tips. Please see How do I change/delete my post?.

"It doesn't work" means nothing. Please provide some sort of comprehensible example of your problem. Please see Short, Self Contained, Correct (Compilable), Example.