





"""simple docstring"""




from .stack import Stack





def        a_				(							_lowercase   ):
						_UpperCamelCase			:					Stack[str]     =    Stack()
						_UpperCamelCase			:					Union[str, Any]     =    {'''(''': ''')''', '''[''': ''']''', '''{''': '''}'''}
						for bracket in parentheses:
												if bracket in bracket_pairs:
																		stack.push(_lowercase   )
												elif bracket in (")", "]", "}"):
																		if stack.is_empty() or bracket_pairs[stack.pop()] != bracket:
																								return False
						return stack.is_empty()


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

						testmod()

						UpperCamelCase_           =["""((()))""", """((())""", """(()))"""]
						print("""Balanced parentheses demonstration:\n""")
						for example in examples:
												UpperCamelCase_           ="""""" if balanced_parentheses(example) else """not """
												print(F"{example} is {not_str}balanced")










"""simple docstring"""




def        a_				(							_lowercase = 10**6   ):

						if n <= 0:
												raise ValueError('''Please enter an integer greater than 0'''   )

						_UpperCamelCase			:					Any     =    list(range(n + 1   )   )
						for number in range(2       ,						n + 1   ):
												if phi[number] == number:
																		phi[number] -= 1
																		for multiple in range(number * 2       ,						n + 1       ,						_lowercase   ):
																								_UpperCamelCase			:					List[str]     =    (phi[multiple] // number) * (number - 1)

						_UpperCamelCase			:					Union[str, Any]     =    1
						for number in range(1       ,						n + 1   ):
												if (answer / phi[answer]) < (number / phi[number]):
																		_UpperCamelCase			:					List[str]     =    number

						return answer


if __name__ == "__main__":
						print(solution())



