



def 			snake_case_					( _lowerCAmelCase  :						int  )				->       bool:
							UpperCAmelCase			:	str										=		9

							while num > 0:
														if num % 10 != digit:
																					return False
														num //= 100
														digit -= 1

							return True


def 			snake_case_					( )				->       int:
							UpperCAmelCase			:	List[str]										=		138902663

							while not is_square_form(num * num  ):
														if num % 10 == 3:
																					num -= 6  # (3 - 6) % 10 = 7
														else:
																					num -= 4  # (7 - 4) % 10 = 3

							return num * 10


if __name__ == "__main__":
						print(F"{solution() = }")










'''simple docstring'''






from __future__ import annotations


def 			snake_case_					( _lowerCAmelCase  :						list[int]       ,				_lowerCAmelCase  :						int  )				->       list[int]:
							UpperCAmelCase			:	dict[int, int]										=		{}
							for index, val in enumerate(_lowerCAmelCase  ):
														UpperCAmelCase			:	Tuple										=		target - val
														if compl in chk_map:
																					return [chk_map[compl], index]
														UpperCAmelCase			:	Any										=		index
							return []


if __name__ == "__main__":
						import doctest

						doctest.testmod()
						print(F"{two_sum([2, 7, 11, 15], 9) = }")





