Hello TheNoob,
Indeed your English words are very difficult to understand for me. Don't worry, as usually there is a way to communicate
(have you considered that there might be other 'foreign' developers that post here, and who perhaps speak your native tongue)
I am guessing that when you run your program and enter a value that your program crashes. If that is more or less what is happening then please make a screen shot of your output and post it for us so that we can take a look.
Even better would be if you would be able to post the source of your program and tell what it is what you entered to let your program crash.
the question is if there is any parameter in fpc that I must enter when compiling.
Usually there is no need to supply a parameter to the FPC compiler for compilation, unless you have very specific needs.