class      _A (     a_				):
  pass



class      _A (     a_				):
  pass



class      _A :






  def __init__(self						)		->   Tuple:





       '''simple docstring'''





       UpperCamelCase__					    =   [
           [],
           [],
           [],
       ]






  def 		_a       (self ,					SCREAMING_SNAKE_CASE_ ,					SCREAMING_SNAKE_CASE_						)		->   None:





       '''simple docstring'''





       try:
            if len(self.queues[priority]						) >= 100:
                 raise OverflowError('''Maximum queue size is 100'''						)
            self.queues[priority].append(__UpperCamelCase						)
       except IndexError:
            raise ValueError('''Valid priorities are 0, 1, and 2'''						)






  def 		_a       (self						)		->   int:





       '''simple docstring'''





       for queue in self.queues:
            if queue:
                 return queue.pop(0						)
       raise UnderFlowError('''All queues are empty'''						)






  def __str__(self						)		->   str:





       '''simple docstring'''





       return "\n".join(F"Priority {i}: {q}" for i, q in enumerate(self.queues						)						)



class      _A :






  def __init__(self						)		->   Tuple:





       '''simple docstring'''





       UpperCamelCase__					    =   []






  def 		_a       (self ,					SCREAMING_SNAKE_CASE_						)		->   None:





       '''simple docstring'''





       if len(self.queue						) == 100:
            raise OverFlowError('''Maximum queue size is 100'''						)
       self.queue.append(__UpperCamelCase						)






  def 		_a       (self						)		->   int:





       '''simple docstring'''





       if not self.queue:
            raise UnderFlowError('''The queue is empty'''						)
       else:
            UpperCamelCase__					    =   min(self.queue						)
            self.queue.remove(__UpperCamelCase						)
            return data






  def __str__(self						)		->   str:





       '''simple docstring'''





       return str(self.queue						)







def 			__UpperCamelCase     (    ):
     UpperCamelCase__					    =   FixedPriorityQueue()
     fpq.enqueue(0			,				10				)
     fpq.enqueue(1			,				70				)
     fpq.enqueue(0			,				100				)
     fpq.enqueue(2			,				1				)
     fpq.enqueue(2			,				5				)
     fpq.enqueue(1			,				7				)
     fpq.enqueue(2			,				4				)
     fpq.enqueue(1			,				64				)
     fpq.enqueue(0			,				128				)
     print(__snake_case				)
     print(fpq.dequeue()				)
     print(fpq.dequeue()				)
     print(fpq.dequeue()				)
     print(fpq.dequeue()				)
     print(fpq.dequeue()				)
     print(__snake_case				)
     print(fpq.dequeue()				)
     print(fpq.dequeue()				)
     print(fpq.dequeue()				)
     print(fpq.dequeue()				)
     print(fpq.dequeue()				)







def 			__UpperCamelCase     (    ):
     UpperCamelCase__					    =   ElementPriorityQueue()
     epq.enqueue(10				)
     epq.enqueue(70				)
     epq.enqueue(100				)
     epq.enqueue(1				)
     epq.enqueue(5				)
     epq.enqueue(7				)
     epq.enqueue(4				)
     epq.enqueue(64				)
     epq.enqueue(128				)
     print(__snake_case				)
     print(epq.dequeue()				)
     print(epq.dequeue()				)
     print(epq.dequeue()				)
     print(epq.dequeue()				)
     print(epq.dequeue()				)
     print(__snake_case				)
     print(epq.dequeue()				)
     print(epq.dequeue()				)
     print(epq.dequeue()				)
     print(epq.dequeue()				)
     print(epq.dequeue()				)


if __name__ == "__main__":
     fixed_priority_queue()
     element_priority_queue()











import itertools
import string
from collections.abc import Generator, Iterable





def    __lowerCAmelCase   (    __snake_case       ,			__snake_case							):
     __lowerCAmelCase             =       iter(__snake_case							)
     while True:
          __lowerCAmelCase             =       tuple(itertools.islice(__snake_case       ,			__snake_case							)							)
          if not chunk:
               return
          yield chunk





def    __lowerCAmelCase   (    __snake_case							):
     __lowerCAmelCase             =       "".join([c.upper() for c in dirty if c in string.ascii_letters]							)
     __lowerCAmelCase             =       ""

     if len(__snake_case							) < 2:
          return dirty

     for i in range(len(__snake_case							) - 1							):
          clean += dirty[i]

          if dirty[i] == dirty[i + 1]:
               clean += "X"

     clean += dirty[-1]

     if len(__snake_case							) & 1:
          clean += "X"

     return clean





def    __lowerCAmelCase   (    __snake_case							):
     # I and J are used interchangeably to allow
     # us to use a 5x5 table (25 letters)
     __lowerCAmelCase             =       "ABCDEFGHIKLMNOPQRSTUVWXYZ"
     # we're using a list instead of a '2d' array because it makes the math
     # for setting up the table and doing the actual encoding/decoding simpler
     __lowerCAmelCase             =       []

     # copy key chars into the table if they are in `alphabet` ignoring duplicates
     for char in key.upper():
          if char not in table and char in alphabet:
               table.append(__snake_case							)

    # fill the rest of the table in with the remaining alphabet chars
     for char in alphabet:
          if char not in table:
               table.append(__snake_case							)

     return table





def    __lowerCAmelCase   (    __snake_case       ,			__snake_case							):
     __lowerCAmelCase             =       generate_table(__snake_case							)
     __lowerCAmelCase             =       prepare_input(__snake_case							)
     __lowerCAmelCase             =       ""

     # https://en.wikipedia.org/wiki/Playfair_cipher#Description
     for chara, chara in chunker(__snake_case       ,			2							):
          __lowerCAmelCase      ,			__lowerCAmelCase             =       divmod(table.index(__snake_case							)       ,			5							)
          __lowerCAmelCase      ,			__lowerCAmelCase             =       divmod(table.index(__snake_case							)       ,			5							)

          if rowa == rowa:
               ciphertext += table[rowa * 5 + (cola + 1) % 5]
               ciphertext += table[rowa * 5 + (cola + 1) % 5]
          elif cola == cola:
               ciphertext += table[((rowa + 1) % 5) * 5 + cola]
               ciphertext += table[((rowa + 1) % 5) * 5 + cola]
          else:  # rectangle
               ciphertext += table[rowa * 5 + cola]
               ciphertext += table[rowa * 5 + cola]

     return ciphertext





def    __lowerCAmelCase   (    __snake_case       ,			__snake_case							):
     __lowerCAmelCase             =       generate_table(__snake_case							)
     __lowerCAmelCase             =       ""

     # https://en.wikipedia.org/wiki/Playfair_cipher#Description
     for chara, chara in chunker(__snake_case       ,			2							):
          __lowerCAmelCase      ,			__lowerCAmelCase             =       divmod(table.index(__snake_case							)       ,			5							)
          __lowerCAmelCase      ,			__lowerCAmelCase             =       divmod(table.index(__snake_case							)       ,			5							)

          if rowa == rowa:
               plaintext += table[rowa * 5 + (cola - 1) % 5]
               plaintext += table[rowa * 5 + (cola - 1) % 5]
          elif cola == cola:
               plaintext += table[((rowa - 1) % 5) * 5 + cola]
               plaintext += table[((rowa - 1) % 5) * 5 + cola]
          else:  # rectangle
               plaintext += table[rowa * 5 + cola]
               plaintext += table[rowa * 5 + cola]

     return plaintext






