




"""simple docstring"""


from string import ascii_lowercase, ascii_uppercase


def  UpperCAmelCase__	(snake_case__							: str   ):
  """simple docstring"""

  if not sentence:
    return ""
  _snake_case							:		List[str]								=  dict(zip(_lowerCamelCase		,       _lowerCamelCase   )   )
  return lower_to_upper.get(sentence[0]		,       sentence[0]   ) + sentence[1:]


if __name__ == "__main__":
     from doctest import testmod

     testmod()








"""simple docstring"""


def  UpperCAmelCase__	(snake_case__							: int   ):
  """simple docstring"""

  _snake_case							:		Optional[Any]								=  (1 + 24 * n) ** 0.5
  return ((1 + root) / 6) % 1 == 0


def  UpperCAmelCase__	(snake_case__							: int = 50_00   ):
  """simple docstring"""

  _snake_case							:		List[str]								=  [(i * (3 * i - 1)) // 2 for i in range(1		,       snake_case__   )]
  for i, pentagonal_i in enumerate(snake_case__   ):
    for j in range(snake_case__		,       len(snake_case__   )   ):
      _snake_case							:		Dict								=  pentagonal_nums[j]
      _snake_case							:		Optional[Any]								=  pentagonal_i + pentagonal_j
      _snake_case							:		List[str]								=  pentagonal_j - pentagonal_i
      if is_pentagonal(snake_case__   ) and is_pentagonal(snake_case__   ):
        return b

  return -1


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


