



"""simple docstring"""


def 					_lowerCAmelCase (  lowercase_		):
						UpperCAmelCase			 =					9

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

						return True

def 					_lowerCAmelCase (  ):
						UpperCAmelCase			 =					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"""





def   _snake_case    (    _snake_case					:      int      ):
      if not isinstance(_snake_case			, _snake_case      ):
            lowerCAmelCase       :						int							= f'''Input value of [number={number}] must be an integer'''
            raise TypeError(_snake_case      )
      if number < 0 or number % 2 == 1:
            return False
      lowerCAmelCase       :						int							= int(number**0.5      )
      return number == number_sqrt * (number_sqrt + 1)


if __name__ == "__main__":
 import doctest

 doctest.testmod()


