

from dataclasses import dataclass

lowerCamelCase 	=   '''0.1'''
lowerCamelCase 	=   '''Lucia Harcekova'''







@dataclass
class 		__magic_name__     :

   '''simple docstring'''




   lowerCamelCase__					:      int
   lowerCamelCase__					:      int
   lowerCamelCase__					:      str



   def __repr__(							self			)				->       str:






     """simple docstring"""






     return F"""({self.offset}, {self.length}, {self.indicator})"""







class 		__magic_name__     :

   '''simple docstring'''




   def __init__(							self,       lowercase_ = 13,       lowercase_ = 6			)				->       Union[str, Any]:






     """simple docstring"""






     a__    =window_size
     a__    =lookahead_buffer_size
     a__    =self.window_size - self.lookahead_buffer_size



   def 					_UpperCAmelCase					(							self,       lowercase_			)				->       Dict:






     """simple docstring"""






     a__    =[]
     a__    =""

     # while there are still characters in text to compress
     while text:
       # find the next encoding phrase
       # - triplet with offset, length, indicator (the next encoding character)
       a__    =self._find_encoding_token(snake_case_,       snake_case_			)

       # update the search buffer:
       # - add new characters from text into it
       # - check if size exceed the max search buffer size, if so, drop the
       #   oldest elements
       search_buffer += text[: token.length + 1]
       if len(snake_case_			) > self.search_buffer_size:
         a__    =search_buffer[-self.search_buffer_size :]

       # update the text
       a__    =text[token.length + 1 :]

       # append the token to output
       output.append(snake_case_			)

     return output



   def 					_UpperCAmelCase					(							self,       lowercase_			)				->       Any:






     """simple docstring"""






     a__    =""

     for token in tokens:
       for _ in range(token.length			):
         output += output[-token.offset]
       output += token.indicator

     return output



   def 					_UpperCAmelCase					(							self,       lowercase_,       lowercase_			)				->       Optional[int]:






     """simple docstring"""






     if not text:
       raise ValueError('''We need some text to work with.'''			)

     # Initialise result parameters to default values
     a__    =0, 0

     if not search_buffer:
       return Token(snake_case_,       snake_case_,       text[length]			)

     for i, character in enumerate(snake_case_			):
       a__    =len(snake_case_			) - i
       if character == text[0]:
         a__    =self._match_length_from_index(snake_case_,       snake_case_,       0,       snake_case_			)
         # if the found length is bigger than the current or if it's equal,
         # which means it's offset is smaller: update offset and length
         if found_length >= length:
           a__    =found_offset, found_length

     return Token(snake_case_,       snake_case_,       text[length]			)



   def 					_UpperCAmelCase					(							self,       lowercase_,       lowercase_,       lowercase_,       lowercase_			)				->       Union[str, Any]:






     """simple docstring"""






     if not text or text[text_index] != window[window_index]:
       return 0
     return 1 + self._match_length_from_index(
         snake_case_,       window + text[text_index],       text_index + 1,       window_index + 1			)


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

       testmod()
       # Initialize compressor class
       lowerCamelCase 	=   LZaaCompressor(window_size=13, lookahead_buffer_size=6)

       # Example
       lowerCamelCase 	=   '''cabracadabrarrarrad'''
       lowerCamelCase 	=   lzaa_compressor.compress(TEXT)
       print(lzaa_compressor.compress('''ababcbababaa'''))
       lowerCamelCase 	=   lzaa_compressor.decompress(compressed_text)
       assert decompressed_text == TEXT, "The LZ77 algorithm returned the invalid result."

'''simple docstring'''

def        UpperCAmelCase__   (				_lowerCAmelCase    :			int = 400_0000)    ->		int:



						"""simple docstring"""

						snake_case :       List[Any]				=    1
						snake_case :       int				=    2
						snake_case :       List[str]				=    0
						while j <= n:
												if j % 2 == 0:
																		total += j
												snake_case				,					snake_case :       Any				=    j, i + j

						return total


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





