

"""simple docstring"""
def 					a__						(						lowerCAmelCase = 50    )	-> int:
      UpperCAmelCase__			:							Optional[int]							=    [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"""
import requests




def 					a__						(						lowerCAmelCase			,	lowerCAmelCase    )	-> None:
      UpperCAmelCase__			:							List[str]							=    {"""Content-Type""": """application/json"""}
      UpperCAmelCase__			:							List[str]							=    requests.post(lowerCAmelCase			,	json={"""text""": message_body}			,	headers=lowerCAmelCase    )
      if response.status_code != 2_00:
            UpperCAmelCase__			:							str							=    (
                """Request to slack returned an error """
                F"""{response.status_code}, the response is:\n{response.text}"""
            )
            raise ValueError(lowerCAmelCase    )


if __name__ == "__main__":
    # Set the slack url to the one provided by Slack when you create the webhook at
    # https://my.slack.com/services/new/incoming-webhook/
    send_slack_message("""<YOUR MESSAGE BODY>""", """<SLACK CHANNEL URL>""")

