


'''simple docstring'''




def 							a_       (						lowercase    )			->list:






				'''simple docstring'''

				__lowerCamelCase		:      Union[str, Any]											=					[True for i in range(n + 1    )]
				__lowerCamelCase		:      List[Any]											=					[i - 1 for i in range(n + 1    )]
				__lowerCamelCase		:      Optional[Any]											=					[]
				for i in range(2							,						n + 1    ):
								if is_prime[i]:
												primes.append(lowercase    )
								for j in range(0							,						len(lowercase    )    ):
												if i * primes[j] >= n:
																break
												__lowerCamelCase		:      List[str]											=					False

												if i % primes[j] == 0:
																__lowerCamelCase		:      Optional[int]											=					totients[i] * primes[j]
																break

												__lowerCamelCase		:      Optional[Any]											=					totients[i] * (primes[j] - 1)

				return totients


if __name__ == "__main__":
				import doctest

				doctest.testmod()









'''simple docstring'''




def 							a_       (						lowercase    )			->str:






				'''simple docstring'''

				return " ".join(sorted(set(sentence.split()    )    )    )


if __name__ == "__main__":
				import doctest

				doctest.testmod()





