



def 		a__      (		_UpperCamelCase      :			Optional[int]				):
   __lowerCamelCase				,__lowerCamelCase    				=     [], []
   while len(_UpperCamelCase				) > 1:
      __lowerCamelCase				,__lowerCamelCase    				=     min(_UpperCamelCase				), max(_UpperCamelCase				)
      start.append(_UpperCamelCase				)
      end.append(_UpperCamelCase				)
      collection.remove(_UpperCamelCase				)
      collection.remove(_UpperCamelCase				)
   end.reverse()
   return start + collection + end


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











a_								=       {
    0: """0""",
    1: """1""",
    2: """2""",
    3: """3""",
    4: """4""",
    5: """5""",
    6: """6""",
    7: """7""",
    8: """8""",
    9: """9""",
    10: """a""",
    11: """b""",
    12: """c""",
    13: """d""",
    14: """e""",
    15: """f""",
}





def 		a__      (		_UpperCamelCase      :			float				):
   assert type(_UpperCamelCase				) in (int, float) and decimal == int(_UpperCamelCase				)
   __lowerCamelCase    				=     int(_UpperCamelCase				)
   __lowerCamelCase    				=     ''''''
   __lowerCamelCase    				=     False
   if decimal < 0:
      __lowerCamelCase    				=     True
      decimal *= -1
   while decimal > 0:
      __lowerCamelCase				,__lowerCamelCase    				=     divmod(_UpperCamelCase			,16				)
      __lowerCamelCase    				=     values[remainder] + hexadecimal
   __lowerCamelCase    				=     '''0x''' + hexadecimal
   if negative:
      __lowerCamelCase    				=     '''-''' + hexadecimal
   return hexadecimal


if __name__ == "__main__":
  import doctest

  doctest.testmod()






