





'''simple docstring'''






import math
import sys







def 					_a						(       _lowerCamelCase ) ->				str:



			"""simple docstring"""


			__snake_case					:      List[str]							      =     """"""
			try:
						with open(_lowerCamelCase    ,	"""rb""" ) as binary_file:
									__snake_case					:      Optional[Any]							      =     binary_file.read()
						for dat in data:
									__snake_case					:      Union[str, Any]							      =     F'''{dat:08b}'''
									result += curr_byte
						return result
			except OSError:
						print("""File not accessible""" )
						sys.exit()







def 					_a						(       _lowerCamelCase ) ->				str:



			"""simple docstring"""


			__snake_case					:      int							      =     {"""0""": """0""", """1""": """1"""}
			__snake_case      ,     __snake_case					:      List[str]							      =     """""", """"""
			__snake_case					:      Dict							      =     len(_lowerCamelCase )

			for i in range(len(_lowerCamelCase ) ):
						curr_string += data_bits[i]
						if curr_string not in lexicon:
									continue

						__snake_case					:      str							      =     lexicon[curr_string]
						result += last_match_id
						__snake_case					:      List[str]							      =     last_match_id + """0"""

						if math.loga(_lowerCamelCase ).is_integer():
									__snake_case					:      Optional[int]							      =     {}
									for curr_key in list(_lowerCamelCase ):
												__snake_case					:      Optional[Any]							      =     lexicon.pop(_lowerCamelCase )
									__snake_case					:      Optional[int]							      =     new_lex

						__snake_case					:      List[Any]							      =     last_match_id + """1"""
						index += 1
						__snake_case					:      List[Any]							      =     """"""
			return result







def 					_a						(       _lowerCamelCase    ,	_lowerCamelCase ) ->				None:



			"""simple docstring"""


			__snake_case					:      Optional[Any]							      =     8
			try:
						with open(_lowerCamelCase    ,	"""wb""" ) as opened_file:
									__snake_case					:      Any							      =     [
									    to_write[i : i + byte_length]
									    for i in range(0    ,	len(_lowerCamelCase )    ,	_lowerCamelCase )
									]

									if len(result_byte_array[-1] ) % byte_length == 0:
												result_byte_array.append("""10000000""" )
									else:
												result_byte_array[-1] += "1" + "0" * (
												    byte_length - len(result_byte_array[-1] ) - 1
												)

									for elem in result_byte_array[:-1]:
												opened_file.write(int(_lowerCamelCase    ,	2 ).to_bytes(1    ,	byteorder="""big""" ) )
			except OSError:
						print("""File not accessible""" )
						sys.exit()







def 					_a						(       _lowerCamelCase ) ->				str:



			"""simple docstring"""


			__snake_case					:      List[Any]							      =     0
			for letter in data_bits:
						if letter == "1":
									break
						counter += 1

			__snake_case					:      Optional[int]							      =     data_bits[counter:]
			__snake_case					:      int							      =     data_bits[counter + 1 :]
			return data_bits







def 					_a						(       _lowerCamelCase    ,	_lowerCamelCase ) ->				None:



			"""simple docstring"""


			__snake_case					:      Union[str, Any]							      =     read_file_binary(_lowerCamelCase )
			__snake_case					:      Optional[int]							      =     remove_prefix(_lowerCamelCase )
			__snake_case					:      int							      =     decompress_data(_lowerCamelCase )
			write_file_binary(_lowerCamelCase    ,	_lowerCamelCase )


if __name__ == "__main__":
	compress(sys.argv[1], sys.argv[2])




"""simple docstring"""

def      lowercase__    (       lowerCAmelCase					:       str			)			->   bool:






    """simple docstring"""




    UpperCAmelCase          =       [int(lowerCAmelCase			) for i in ip_va_address.split('.'			) if i.isdigit()]
    return len(lowerCAmelCase			) == 4 and all(0 <= int(lowerCAmelCase			) <= 254 for octet in octets			)


if __name__ == "__main__":
   SCREAMING_SNAKE_CASE_            =    input().strip()
   SCREAMING_SNAKE_CASE_            =    '''valid''' if is_ip_va_address_valid(ip) else '''invalid'''
   print(F'{ip} is a {valid_or_invalid} IP v4 address.')



