




def        __SCREAMING_SNAKE_CASE (	lowercase_   )							->						Optional[int]:

    """simple docstring"""


    if not isinstance(A__       ,  A__   ) or number < 0:
        raise ValueError('''Input must be a non-negative integer'''   )

    __UpperCamelCase			=    number & ~(number - 1)
    __UpperCamelCase			=    0
    while intermediate:
        intermediate >>= 1
        index += 1
    return index - 1


if __name__ == "__main__":
 import doctest

 doctest.testmod(verbose=True)










def 	A (		A__			):
     UpperCAmelCase    :					Dict			=      9

     while num > 0:
          if num % 1_0 != digit:
               return False
          num //= 1_0_0
          digit -= 1

     return True







def 	A (		):
     UpperCAmelCase    :					Optional[Any]			=      1_3_8_9_0_2_6_6_3

     while not is_square_form(num * num			):
          if num % 1_0 == 3:
               num -= 6  # (3 - 6) % 10 = 7
          else:
               num -= 4  # (7 - 4) % 10 = 3

     return num * 1_0


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



