


from __future__ import annotations

from typing import Generic, TypeVar

_snake_case				=			TypeVar("T")




class  A_ (			a_  ):







 """simple docstring"""





 pass




class  A_ (			a_  ):







 """simple docstring"""





 pass




class  A_ (			Generic[T]  ):







 """simple docstring"""





 def __init__(      self       :			List[str]							,     _a       :			int = 1_0					)     ->      List[Any]:
      UpperCAmelCase    :					list[T]			=      []
      UpperCAmelCase    :					Tuple			=      limit
 def __bool__(      self       :			int					)     ->      bool:
      return bool(self.stack					)
 def __str__(      self       :			Union[str, Any]					)     ->      str:
      return str(self.stack					)
 def 	_UpperCamelCase     (      self       :			Dict							,     _a       :			T					)     ->      None:
      if len(self.stack					) >= self.limit:
           raise StackOverflowError
      self.stack.append(_a					)
 def 	_UpperCamelCase     (      self       :			int					)     ->      T:
      if not self.stack:
           raise StackUnderflowError
      return self.stack.pop()
 def 	_UpperCamelCase     (      self       :			str					)     ->      T:
      if not self.stack:
           raise StackUnderflowError
      return self.stack[-1]
 def 	_UpperCamelCase     (      self       :			List[str]					)     ->      bool:
      return not bool(self.stack					)
 def 	_UpperCamelCase     (      self       :			List[str]					)     ->      bool:
      return self.size() == self.limit
 def 	_UpperCamelCase     (      self       :			Optional[int]					)     ->      int:
      return len(self.stack					)

 def __contains__(      self       :			List[Any]							,     _a       :			T					)     ->      bool:
      return item in self.stack







def 	A (		):
     UpperCAmelCase    :					Stack[int]			=      Stack(1_0			)
     assert bool(A__			) is False
     assert stack.is_empty() is True
     assert stack.is_full() is False
     assert str(A__			) == "[]"

     try:
          UpperCAmelCase    :					Tuple			=      stack.pop()
          raise AssertionError  # This should not happen
     except StackUnderflowError:
          assert True  # This should happen

     try:
          UpperCAmelCase    :					Any			=      stack.peek()
          raise AssertionError  # This should not happen
     except StackUnderflowError:
          assert True  # This should happen

     for i in range(1_0			):
          assert stack.size() == i
          stack.push(A__			)

     assert bool(A__			)
     assert not stack.is_empty()
     assert stack.is_full()
     assert str(A__			) == str(list(range(1_0			)			)			)
     assert stack.pop() == 9
     assert stack.peek() == 8

     stack.push(1_0_0			)
     assert str(A__			) == str([0, 1, 2, 3, 4, 5, 6, 7, 8, 1_0_0]			)

     try:
          stack.push(2_0_0			)
          raise AssertionError  # This should not happen
     except StackOverflowError:
          assert True  # This should happen

     assert not stack.is_empty()
     assert stack.size() == 1_0

     assert 5 in stack
     assert 5_5 not in stack


if __name__ == "__main__":
      test_stack()







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() = }''')



