






"""simple docstring"""







import random
import sys

from . import cryptomath_module as cryptomath

a :				Union[str, Any]      					=		(
    r""" !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`"""
    r"""abcdefghijklmnopqrstuvwxyz{|}~"""
)





def 						lowercase__(A					,		A					,		A						)				->None:




						"""simple docstring"""



						if mode == "encrypt":
												if key_a == 1:
																		sys.exit(
																		    "The affine cipher becomes weak when key "
																		    "A is set to 1. Choose different key"						)
												if key_b == 0:
																		sys.exit(
																		    "The affine cipher becomes weak when key "
																		    "B is set to 0. Choose different key"						)
						if key_a < 0 or key_b < 0 or key_b > len(A						) - 1:
												sys.exit(
												    "Key A must be greater than 0 and key B must "
												    f'''be between 0 and {len(A						) - 1}.'''						)
						if cryptomath.gcd(A					,		len(A						)						) != 1:
												sys.exit(
												    f'''Key A {key_a} and the symbol set size {len(A						)} '''
												    "are not relatively prime. Choose a different key."						)





def 						lowercase__(A					,		A						)				->str:




						"""simple docstring"""



						lowercase__,	lowercase__				:      str=       divmod(A					,		len(A						)						)
						check_keys(A					,		A					,		"encrypt"						)
						lowercase__				:      Union[str, Any]=       ""
						for symbol in message:
												if symbol in SYMBOLS:
																		lowercase__				:      Optional[int]=       SYMBOLS.find(A						)
																		cipher_text += SYMBOLS[(sym_index * key_a + key_b) % len(A						)]
												else:
																		cipher_text += symbol
						return cipher_text





def 						lowercase__(A					,		A						)				->str:




						"""simple docstring"""



						lowercase__,	lowercase__				:      List[str]=       divmod(A					,		len(A						)						)
						check_keys(A					,		A					,		"decrypt"						)
						lowercase__				:      int=       ""
						lowercase__				:      Tuple=       cryptomath.find_mod_inverse(A					,		len(A						)						)
						for symbol in message:
												if symbol in SYMBOLS:
																		lowercase__				:      Optional[Any]=       SYMBOLS.find(A						)
																		plain_text += SYMBOLS[
																		    (sym_index - key_b) * mod_inverse_of_key_a % len(A						)
																		]
												else:
																		plain_text += symbol
						return plain_text





def 						lowercase__()				->int:




						"""simple docstring"""



						while True:
												lowercase__				:      Any=       random.randint(2					,		len(A						)						)
												lowercase__				:      int=       random.randint(2					,		len(A						)						)
												if cryptomath.gcd(A					,		len(A						)						) == 1 and key_b % len(A						) != 0:
																		return key_b * len(A						) + key_b





def 						lowercase__()				->None:




						"""simple docstring"""



						lowercase__				:      Tuple=       input("Enter message: "						).strip()
						lowercase__				:      Dict=       int(input("Enter key [2000 - 9000]: "						).strip()						)
						lowercase__				:      Union[str, Any]=       input("Encrypt/Decrypt [E/D]: "						).strip().lower()

						if mode.startswith("e"						):
												lowercase__				:      Union[str, Any]=       "encrypt"
												lowercase__				:      Tuple=       encrypt_message(A					,		A						)
						elif mode.startswith("d"						):
												lowercase__				:      int=       "decrypt"
												lowercase__				:      Dict=       decrypt_message(A					,		A						)
						print(f'''\n{mode.title()}ed text: \n{translated}'''						)


if __name__ == "__main__":
			import doctest

			doctest.testmod()
			# main()














"""simple docstring"""







import math
from decimal import Decimal, getcontext





def 						lowercase__(A = 4_000_000						)				->int:




						"""simple docstring"""



						try:
												lowercase__				:      int=       int(A						)
						except (TypeError, ValueError):
												raise TypeError("Parameter n must be int or castable to int."						)
						if n <= 0:
												raise ValueError("Parameter n must be greater than or equal to one."						)
						lowercase__				:      Dict=       100
						lowercase__				:      Optional[Any]=       (Decimal(5						) ** Decimal(0.5						) + 1) / Decimal(2						)

						lowercase__				:      str=       (math.floor(math.log(n * (phi + 2)					,		A						) - 1						) // 3) * 3 + 2
						lowercase__				:      Optional[Any]=       Decimal(round(phi ** Decimal(index + 1						)						)						) / (phi + 2)
						lowercase__				:      Tuple=       num // 2
						return int(A						)


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






