






import os
from shutil import copyfile
from typing import List, Optional, Tuple

from ...tokenization_utils_fast import PreTrainedTokenizerFast
from ...utils import is_sentencepiece_available, logging


if is_sentencepiece_available():
	from .tokenization_pegasus import PegasusTokenizer
else:
	a__       =     None


a__       =     logging.get_logger(__name__)


a__       =     """▁"""

a__       =     {"""vocab_file""": """spiece.model""", """tokenizer_file""": """tokenizer.json"""}

a__       =     {
    """vocab_file""": {"""google/pegasus-xsum""": """https://huggingface.co/google/pegasus-xsum/resolve/main/spiece.model"""},
    """tokenizer_file""": {
        """google/pegasus-xsum""": """https://huggingface.co/google/pegasus-xsum/resolve/main/tokenizer.json"""
    },
}

a__       =     {
    """google/pegasus-xsum""": 5_1_2,
}


class    _lowerCAmelCase			(		lowercase_      ):



				"""simple docstring"""



				_lowercase				:   Optional[int]      =  VOCAB_FILES_NAMES
				_lowercase				:   int      =  PRETRAINED_VOCAB_FILES_MAP
				_lowercase				:   Optional[Any]      =  PRETRAINED_POSITIONAL_EMBEDDINGS_SIZES
				_lowercase				:   List[str]      =  PegasusTokenizer
				_lowercase				:   int      =  ['''input_ids''', '''attention_mask''']



				def __init__(      self    :    str			,		UpperCamelCase__    :    List[Any]=None			,		UpperCamelCase__    :    str=None			,		UpperCamelCase__    :    Any="<pad>"			,		UpperCamelCase__    :    List[str]="</s>"			,		UpperCamelCase__    :    int="<unk>"			,		UpperCamelCase__    :    int="<mask_2>"			,		UpperCamelCase__    :    str="<mask_1>"			,		UpperCamelCase__    :    Optional[Any]=None			,		UpperCamelCase__    :    Optional[Any]=1_0_3			,		**UpperCamelCase__    :    Optional[Any]			,		):






											'''simple docstring'''







											snake_case__	  =       offset

											if additional_special_tokens is not None:
																		if not isinstance(UpperCamelCase__			,		UpperCamelCase__):
																									raise TypeError(
																									    F'''additional_special_tokens should be of type {type(UpperCamelCase__)}, but is'''
																									    F''' {type(UpperCamelCase__)}''')

																		snake_case__	  =       (
																		    ([mask_token_sent] + additional_special_tokens)
																		    if mask_token_sent not in additional_special_tokens and mask_token_sent is not None
																		    else additional_special_tokens
																		)
																		# fill additional tokens with ..., <unk_token_102> in case not all additional tokens are already taken
																		additional_special_tokens_extended += [
																		    F'''<unk_{i}>''' for i in range(len(UpperCamelCase__)			,		self.offset - 1)
																		]

																		if len(set(UpperCamelCase__)) != len(UpperCamelCase__):
																									raise ValueError(
																									    """Please make sure that the provided additional_special_tokens do not contain an incorrectly"""
																									    F''' shifted list of <unk_x> tokens. Found {additional_special_tokens_extended}.''')
																		snake_case__	  =       additional_special_tokens_extended
											else:
																		snake_case__	  =       [mask_token_sent] if mask_token_sent is not None else []
																		additional_special_tokens += [F'''<unk_{i}>''' for i in range(2			,		self.offset)]

											super().__init__(
											    UpperCamelCase__			,		tokenizer_file=UpperCamelCase__			,		pad_token=UpperCamelCase__			,		eos_token=UpperCamelCase__			,		unk_token=UpperCamelCase__			,		mask_token=UpperCamelCase__			,		mask_token_sent=UpperCamelCase__			,		offset=UpperCamelCase__			,		additional_special_tokens=UpperCamelCase__			,		**UpperCamelCase__			,		)
											snake_case__	  =       vocab_file
											snake_case__	  =       False if not self.vocab_file else True



				def 					__magic_name__							(      self    :    Dict			,		UpperCamelCase__    :    Tuple):






											'''simple docstring'''







											snake_case__	  =       set(self.all_special_ids)  # call it once instead of inside list comp
											all_special_ids.remove(self.unk_token_id)  # <unk> is only sometimes special

											if all_special_ids != set(range(len(self.additional_special_tokens) + 3)):
																		raise ValueError(
																		    """There should be 3 special tokens: mask_token, pad_token, and eos_token +"""
																		    F''' {len(self.additional_special_tokens)} additional_special_tokens, but got {all_special_ids}''')

											return [1 if x in all_special_ids else 0 for x in seq]



				def 					__magic_name__							(      self    :    int			,		UpperCamelCase__    :    List			,		UpperCamelCase__    :    Optional[List] = None			,		UpperCamelCase__    :    bool = False):






											'''simple docstring'''







											if already_has_special_tokens:
																		return self._special_token_mask(UpperCamelCase__)
											elif token_ids_a is None:
																		return self._special_token_mask(UpperCamelCase__) + [1]
											else:
																		return self._special_token_mask(token_ids_a + token_ids_a) + [1]



				def 					__magic_name__							(      self    :    List[Any]			,		UpperCamelCase__    :    Union[str, Any]			,		UpperCamelCase__    :    List[Any]=None):






											'''simple docstring'''







											if token_ids_a is None:
																		return token_ids_a + [self.eos_token_id]
											# We don't expect to process pairs, but leave the pair logic for API consistency
											return token_ids_a + token_ids_a + [self.eos_token_id]



				def 					__magic_name__							(      self    :    int			,		UpperCamelCase__    :    str			,		UpperCamelCase__    :    Optional[str] = None):






											'''simple docstring'''







											if not self.can_save_slow_tokenizer:
																		raise ValueError(
																		    """Your fast tokenizer does not have the necessary information to save the vocabulary for a slow """
																		    """tokenizer.""")

											if not os.path.isdir(UpperCamelCase__):
																		logger.error(F'''Vocabulary path ({save_directory}) should be a directory''')
																		return
											snake_case__	  =       os.path.join(
											    UpperCamelCase__			,		(filename_prefix + """-""" if filename_prefix else """""") + VOCAB_FILES_NAMES["""vocab_file"""])

											if os.path.abspath(self.vocab_file) != os.path.abspath(UpperCamelCase__):
																		copyfile(self.vocab_file			,		UpperCamelCase__)

											return (out_vocab_file,)








import math
from collections.abc import Iterator
from itertools import takewhile

def _UpperCAmelCase   (	a						:	int ):

							if 1 < number < 4:
														# 2 and 3 are primes
														return True
							elif number < 2 or number % 2 == 0 or number % 3 == 0:
														# Negatives, 0, 1, all even numbers, all multiples of 3 are not primes
														return False

							# All primes number are in format of 6k +/- 1
							for i in range(5  ,					int(math.sqrt(a ) + 1 )  ,					6 ):
														if number % i == 0 or number % (i + 2) == 0:
																					return False
							return True

def _UpperCAmelCase   (	):
							snake_case__	  =       2
							while True:
														if is_prime(a ):
																					yield num
														num += 1

def _UpperCAmelCase   (	a						:	int = 200_0000 ):
							return sum(takewhile(lambda a : x < n  ,					prime_generator() ) )


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