


from string import ascii_lowercase, ascii_uppercase

def 						_UpperCAmelCase				(			SCREAMING_SNAKE_CASE__			:					str				):
     if not sentence:
          return ""
     __UpperCamelCase    							=dict(zip(SCREAMING_SNAKE_CASE__			,     SCREAMING_SNAKE_CASE__				)				)
     return lower_to_upper.get(sentence[0]			,     sentence[0]				) + sentence[1:]


if __name__ == "__main__":
   from doctest import testmod

   testmod()












from math import ceil







def    __lowerCamelCase					(							__a   :int = 1_0_0_1    )		->				int:






		"""simple docstring"""

		A__        =   1

		for i in range(1    ,     int(ceil(n / 2.0    )    )    ):
				A__        =   2 * i + 1
				A__        =   2 * i
				A__        =   total + 4 * odd**2 - 6 * even

		return total


if __name__ == "__main__":
					import sys

					if len(sys.argv) == 1:
										print(solution())
					else:
										try:
															A    :					List[str] =      int(sys.argv[1])
															print(solution(n))
										except ValueError:
															print('''Invalid entry - please enter a number''')



