



"""simple docstring"""

def    __snake_case       (  __A			:	int = 100    )    ->					int:






				'''simple docstring'''
				SCREAMING_SNAKE_CASE	:       Any 							=    1
				SCREAMING_SNAKE_CASE	:       Optional[int] 							=    0
				for i in range(1       ,		num + 1    ):
								fact *= i

				for j in str(__A    ):
								result += int(__A    )

				return result


if __name__ == "__main__":
							print(solution(int(input('Enter the Number: ').strip())))










"""simple docstring"""

def    __snake_case       (  __A			:	int    )    ->					int:






				'''simple docstring'''
				if not isinstance(__A       ,		__A    ):
								raise ValueError('double_factorial() only accepts integral values'    )
				if num < 0:
								raise ValueError('double_factorial() not defined for negative values'    )
				SCREAMING_SNAKE_CASE	:       List[str] 							=    1
				for i in range(__A       ,		0       ,		-2    ):
								value *= i
				return value


if __name__ == "__main__":
							import doctest

							doctest.testmod()





