





def       _A  (      lowerCamelCase   ):
   a__	:						Union[str, Any]      		=  [], []
   while len(lowerCamelCase   ) > 1:
      a__	:						List[str]      		=  min(lowerCamelCase   ), max(lowerCamelCase   )
      start.append(lowerCamelCase   )
      end.append(lowerCamelCase   )
      collection.remove(lowerCamelCase   )
      collection.remove(lowerCamelCase   )
   end.reverse()
   return start + collection + end


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






SCREAMING_SNAKE_CASE__       :			Union[str, Any]			      =						9.80665






def       _A  (      lowerCamelCase							, lowerCamelCase							, lowerCamelCase = g   ):

   if fluid_density <= 0:
      raise ValueError("Impossible fluid density"   )
   if volume < 0:
      raise ValueError("Impossible Object volume"   )
   if gravity <= 0:
      raise ValueError("Impossible Gravity"   )

   return fluid_density * gravity * volume


if __name__ == "__main__":
  import doctest

  # run doctest
  doctest.testmod()

