[Community Puzzle] Boarding passes ready!

Coding Games and Programming Challenges to Code Better

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Created by @21stCenturyPeon,validated by @Diabetos,@Jin66 and @TBali.
If you have any issues, feel free to ping them.

Not sure why this was marked as ‘medium’ difficulty.
It was fun, but really easy.

Not the puzzle is easy-it is you that is so ingenious.