
def 		UpperCamelCase	(      lowercase_   )		->	Dict:


  '''simple docstring'''






  lowercase__		,    lowercase__  :   int    		=      [], []
  while len(lowercase_   ) > 1:
    lowercase__		,    lowercase__  :   int    		=      min(lowercase_   ), max(lowercase_   )
    start.append(lowercase_   )
    end.append(lowercase_   )
    collection.remove(lowercase_   )
    collection.remove(lowercase_   )
  end.reverse()
  return start + collection + end


if __name__ == "__main__":
     lowerCamelCase__    :		int          =   input("""Enter numbers separated by a comma:\n""").strip()
     lowerCamelCase__    :		int          =   [int(item) for item in user_input.split(""",""")]
     print(*merge_sort(unsorted), sep=""",""")








from abc import ABC, abstractmethod
from argparse import ArgumentParser



class       _snake_case   (	UpperCAmelCase_							):


 @staticmethod
 @abstractmethod
 def      lowercase__     (					SCREAMING_SNAKE_CASE_):


   '''simple docstring'''




   raise NotImplementedError()



 @abstractmethod
 def      lowercase__     (					self):


   '''simple docstring'''




   raise NotImplementedError()






