"""simple docstring"""




_a      :		dict[str, float]           =   {
    "joule": 1.0,
    "kilojoule": 1_000,
    "megajoule": 1_000_000,
    "gigajoule": 1_000_000_000,
    "wattsecond": 1.0,
    "watthour": 3_600,
    "kilowatthour": 3_600_000,
    "newtonmeter": 1.0,
    "calorie_nutr": 4_186.8,
    "kilocalorie_nutr": 4_186_800.00,
    "electronvolt": 1.6_02_17_66_34e-19,
    "britishthermalunit_it": 1_055.05_585,
    "footpound": 1.35_58_18,
}





def 							SCREAMING_SNAKE_CASE     (			_lowerCamelCase						:       str			,_lowerCamelCase						:       str			,_lowerCamelCase						:       float	)       ->      float:
  if to_type not in ENERGY_CONVERSION or from_type not in ENERGY_CONVERSION:
    _lowerCAmelCase						:       Union[str, Any]  			=     (
        f"Incorrect 'from_type' or 'to_type' value: {from_type!r}, {to_type!r}\n"
        f"Valid values are: {', '.join(_lowerCamelCase	)}"
    )
    raise ValueError(_lowerCamelCase	)
  return value * ENERGY_CONVERSION[from_type] / ENERGY_CONVERSION[to_type]


if __name__ == "__main__":
     import doctest

     doctest.testmod()





"""simple docstring"""




def 							SCREAMING_SNAKE_CASE     (			_lowerCamelCase						:       int = 50	)       ->      int:
  _lowerCAmelCase						:       int  			=     [1] * (length + 1)

  for row_length in range(3			,length + 1	):
    for block_length in range(3			,row_length + 1	):
      for block_start in range(row_length - block_length	):
        ways_number[row_length] += ways_number[
            row_length - block_start - block_length - 1
        ]

      ways_number[row_length] += 1

  return ways_number[length]


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




