

"""simple docstring"""



def  _snake_case     (    UpperCAmelCase_  :					int = 50			):
     A__										=  [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"""



SCREAMING_SNAKE_CASE_					:	str							  =						'0.21.0'

from .accelerator import Accelerator
from .big_modeling import (
    cpu_offload,
    cpu_offload_with_hook,
    disk_offload,
    dispatch_model,
    init_empty_weights,
    init_on_device,
    load_checkpoint_and_dispatch,
)
from .data_loader import skip_first_batches
from .launchers import debug_launcher, notebook_launcher
from .state import PartialState
from .utils import (
    DeepSpeedPlugin,
    DistributedDataParallelKwargs,
    DistributedType,
    FullyShardedDataParallelPlugin,
    GradScalerKwargs,
    InitProcessGroupKwargs,
    find_executable_batch_size,
    infer_auto_device_map,
    is_rich_available,
    load_checkpoint_in_model,
    synchronize_rng_states,
)


if is_rich_available():
 from .utils import rich






