

'''simple docstring'''
def 	_lowerCAmelCase (						_UpperCamelCase						:					int = 50    )				->      int:
     """simple docstring"""




     _SCREAMING_SNAKE_CASE							   =[[0] * 3 for _ in range(length + 1    )]

     for row_length in range(length + 1    ):
          for tile_length in range(2							,			5    ):
               for tile_start in range(row_length - tile_length + 1    ):
                    different_colour_ways_number[row_length][tile_length - 2] += (
                        different_colour_ways_number[row_length - tile_start - tile_length][
                            tile_length - 2
                        ]
                        + 1
                    )

     return sum(different_colour_ways_number[length]    )


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



'''simple docstring'''
def 	_lowerCAmelCase (						_UpperCamelCase						:					str    )				->      bool:
     """simple docstring"""




     _SCREAMING_SNAKE_CASE							   =0
     for ch in input_str:
          _SCREAMING_SNAKE_CASE							   =ord(_UpperCamelCase    )
          _SCREAMING_SNAKE_CASE							   =pow(2							,			_UpperCamelCase    )

          # If we already turned on bit for current character's unicode
          if bitmap >> ch_unicode & 1 == 1:
               return False
          bitmap |= ch_bit_index_on
     return True


if __name__ == "__main__":
     import doctest

     doctest.testmod()
