

def 						_A     (       SCREAMING_SNAKE_CASE__						:			Any  ,						SCREAMING_SNAKE_CASE__						:			Tuple ):






    if not isinstance(_UpperCAmelCase  ,						_UpperCAmelCase ):
        raise TypeError('''plaintext must be a string''' )
    if not isinstance(_UpperCAmelCase  ,						_UpperCAmelCase ):
        raise TypeError('''key must be a string''' )

    if not plaintext:
        raise ValueError('''plaintext is empty''' )
    if not key:
        raise ValueError('''key is empty''' )

    key += plaintext
    UpperCamelCase :List[str]										=     plaintext.lower()
    UpperCamelCase :Tuple										=     key.lower()
    UpperCamelCase :Optional[Any]										=     0
    UpperCamelCase :List[Any]										=     0
    UpperCamelCase :List[Any]										=     ''
    while plaintext_iterator < len(_UpperCAmelCase ):
        if (
            ord(plaintext[plaintext_iterator] ) < 97
            or ord(plaintext[plaintext_iterator] ) > 122
        ):
            ciphertext += plaintext[plaintext_iterator]
            plaintext_iterator += 1
        elif ord(key[key_iterator] ) < 97 or ord(key[key_iterator] ) > 122:
            key_iterator += 1
        else:
            ciphertext += chr(
                (
                    (ord(plaintext[plaintext_iterator] ) - 97 + ord(key[key_iterator] ))
                    - 97
                )
                % 26
                + 97 )
            key_iterator += 1
            plaintext_iterator += 1
    return ciphertext


def 						_A     (       SCREAMING_SNAKE_CASE__						:			Any  ,						SCREAMING_SNAKE_CASE__						:			Union[str, Any] ):






    if not isinstance(_UpperCAmelCase  ,						_UpperCAmelCase ):
        raise TypeError('''ciphertext must be a string''' )
    if not isinstance(_UpperCAmelCase  ,						_UpperCAmelCase ):
        raise TypeError('''key must be a string''' )

    if not ciphertext:
        raise ValueError('''ciphertext is empty''' )
    if not key:
        raise ValueError('''key is empty''' )

    UpperCamelCase :List[Any]										=     key.lower()
    UpperCamelCase :Any										=     0
    UpperCamelCase :Optional[Any]										=     0
    UpperCamelCase :Tuple										=     ''
    while ciphertext_iterator < len(_UpperCAmelCase ):
        if (
            ord(ciphertext[ciphertext_iterator] ) < 97
            or ord(ciphertext[ciphertext_iterator] ) > 122
        ):
            plaintext += ciphertext[ciphertext_iterator]
        else:
            plaintext += chr(
                (ord(ciphertext[ciphertext_iterator] ) - ord(key[key_iterator] )) % 26
                + 97 )
            key += chr(
                (ord(ciphertext[ciphertext_iterator] ) - ord(key[key_iterator] )) % 26
                + 97 )
            key_iterator += 1
        ciphertext_iterator += 1
    return plaintext


if __name__ == "__main__":
 import doctest

 doctest.testmod()
 __snake_case							      =						int(input("""Type 1 to encrypt or 2 to decrypt:"""))
 if operation == 1:
  __snake_case							      =						input("""Typeplaintext to be encrypted:\n""")
  __snake_case							      =						input("""Type the key:\n""")
  print(encrypt(plaintext, key))
 elif operation == 2:
  __snake_case							      =						input("""Type the ciphertext to be decrypted:\n""")
  __snake_case							      =						input("""Type the key:\n""")
  print(decrypt(ciphertext, key))
 decrypt("""jsqqs avvwo""", """coffee""")













from __future__ import annotations


def 						_A     (       SCREAMING_SNAKE_CASE__						:			int ):
    UpperCamelCase :int										=     {1}
    UpperCamelCase :Optional[int]										=     [1]
    for _ in range(2  ,						depth + 1 ):
        UpperCamelCase :Union[str, Any]										=     [*previous_coefficients, 0]
        UpperCamelCase :List[str]										=     [0, *previous_coefficients]
        UpperCamelCase :List[str]										=     []
        for x, y in zip(SCREAMING_SNAKE_CASE__  ,						SCREAMING_SNAKE_CASE__ ):
            coefficients.add(x + y )
            previous_coefficients.append(x + y )
    return coefficients


def 						_A     (       SCREAMING_SNAKE_CASE__						:			set[int] ):
    UpperCamelCase :Union[str, Any]										=     set()
    for number in unique_coefficients:
        UpperCamelCase :Optional[int]										=     2
        UpperCamelCase :List[Any]										=     number
        while divisor**2 <= copy_number:
            UpperCamelCase :List[Any]										=     0
            while copy_number % divisor == 0:
                copy_number //= divisor
                multiplicity += 1
            if multiplicity >= 2:
                non_squarefrees.add(SCREAMING_SNAKE_CASE__ )
                break
            divisor += 1

    return unique_coefficients.difference(SCREAMING_SNAKE_CASE__ )


def 						_A     (       SCREAMING_SNAKE_CASE__						:			int = 51 ):
    UpperCamelCase :Any										=     get_pascal_triangle_unique_coefficients(SCREAMING_SNAKE_CASE__ )
    UpperCamelCase :str										=     get_squarefrees(SCREAMING_SNAKE_CASE__ )
    return sum(SCREAMING_SNAKE_CASE__ )


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





