




'''simple docstring'''





import string


def 	UpperCamelCase_(      snake_case				:			str	):

							'''simple docstring'''






							snake_case_         = ""
							for i in sequence:
														snake_case_         = ord(A__	)
														if 6_5 <= extract <= 9_0:
																					output += chr(1_5_5 - extract	)
														elif 9_7 <= extract <= 1_2_2:
																					output += chr(2_1_9 - extract	)
														else:
																					output += i
							return output


def 	UpperCamelCase_(      snake_case				:			str	):

							'''simple docstring'''






							snake_case_         = string.ascii_letters
							snake_case_         = string.ascii_lowercase[::-1] + string.ascii_uppercase[::-1]
							return "".join(
							    letters_reversed[letters.index(A__	)] if c in letters else c for c in sequence	)


def 	UpperCamelCase_(      ):

							'''simple docstring'''






							from timeit import timeit

							print("Running performance benchmarks..."	)
							snake_case_         = "from string import printable ; from __main__ import atbash, atbash_slow"
							print(f'> atbash_slow(): {timeit("atbash_slow(printable)"				,							setup=A__	)} seconds'	)
							print(f'>      atbash(): {timeit("atbash(printable)"				,							setup=A__	)} seconds'	)


if __name__ == "__main__":
		for example in ("ABCDEFGH", "123GGjj", "testStringtest", "with space"):
				print(F"{example} encrypted in atbash: {atbash(example)}")
		benchmark()







def 	a (     A__      :  int	)       -> bool:





      """simple docstring"""



      return sum(i for i in range(1 ,  number // 2 + 1	) if number % i == 0	) == number


if __name__ == "__main__":
  print('Program to check whether a number is a Perfect number or not...')
  lowercase_   							=  int(input('Enter number: ').strip())
  print(f"{number} is {'' if perfect(number) else 'not '}a Perfect Number.")


