I appreciate the effort of your code in mvc way

very nice, but why complicate it?

Wow, You tried to use all OOP concepts, well done (:

i fail to understand what you mean

I miss the class Mom

Note that some extra 0's may naturally occur at the beginning and the end of a message, make sure to ignore them.

Check that again.

Shortest consecutive 0s or 1s amount to a single unit, so what value single unit has exactly depends on input. Also this isn't issue (this isn't a problem with kata) but a question.