
def 			UpperCamelCase					(    __lowerCamelCase     : int = 50    ):
       snake_case       :   str							=      [1] * (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    ):
                            ways_number[row_length] += ways_number[
                                row_length - tile_start - tile_length
                            ]

       return ways_number[length]


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










'''simple docstring'''






from numpy import exp, pi, sqrt




def     snake_case_					(     lowerCAmelCase_       ,   lowerCAmelCase_ = 0.0       ,   lowerCAmelCase_ = 1.0		)->		int:





       '''simple docstring'''


       return 1 / sqrt(2 * pi * sigma**2		) * exp(-((x - mu) ** 2) / (2 * sigma**2)		)


if __name__ == "__main__":
   import doctest

   doctest.testmod()



