

def 	__a     (      A__			:  str			,  A__			:  str       ):
    if len(A__       ) != len(A__       ):
        raise ValueError("String lengths must match!"       )

    SCREAMING_SNAKE_CASE										=   0

    for chara, chara in zip(A__			,  A__       ):
        if chara != chara:
            count += 1

    return count


if __name__ == "__main__":
    import doctest

    doctest.testmod()




def 	_lowerCAmelCase (    A__ = 600_851_475_143						):

      try:
            lowercase__  =	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__  =	2
      lowercase__  =	0
      if n == 2:
            return 2
      while n > 2:
            while n % i != 0:
                  i += 1
            lowercase__  =	i
            while n % i == 0:
                  lowercase__  =	n // i
            i += 1
      return int(A__						)


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