






'''simple docstring'''
def 	_a(					UpperCamelCase__			:  int = 5_0							):




      '''simple docstring'''






      SCREAMING_SNAKE_CASE__       :			Tuple													=[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 argparse
import os
import re


# All paths are set with the intent you should run this script from the root of the repo with the command
# python utils/check_dummies.py
a_					=	'src/diffusers'

# Matches is_xxx_available()
a_					=	re.compile(R'is\_([a-z_]*)_available\(\)')
# Matches from xxx import bla
a_					=	re.compile(R'\s+from\s+\S*\s+import\s+([^\(\s].*)\n')


a_					=	'\n{0} = None\n'

a_					=	'\nclass {0}(metaclass=DummyObject):\n    _backends = {1}\n\n    def __init__(self, *args, **kwargs):\n        requires_backends(self, {1})\n\n    @classmethod\n    def from_config(cls, *args, **kwargs):\n        requires_backends(cls, {1})\n\n    @classmethod\n    def from_pretrained(cls, *args, **kwargs):\n        requires_backends(cls, {1})\n'


a_					=	'\ndef {0}(*args, **kwargs):\n    requires_backends({0}, {1})\n'





def 	_a(					UpperCamelCase__			:  Any							):




      '''simple docstring'''






      SCREAMING_SNAKE_CASE__       :			Dict													=_re_backend.findall(UpperCamelCase__							)
      if len(UpperCamelCase__							) == 0:
            return None

      return "_and_".join(UpperCamelCase__							)





def 	_a(					):




      '''simple docstring'''






      with open(os.path.join(UpperCamelCase__,		'''__init__.py'''							),		'''r''',		encoding='''utf-8''',		newline='''\n'''							) as f:
            SCREAMING_SNAKE_CASE__       :			List[str]													=f.readlines()

      # Get to the point we do the actual imports for type checking
      SCREAMING_SNAKE_CASE__       :			Optional[int]													=0
      SCREAMING_SNAKE_CASE__       :			List[str]													={}
      # Go through the end of the file
      while line_index < len(UpperCamelCase__							):
            # If the line contains is_backend_available, we grab all objects associated with the `else` block
            SCREAMING_SNAKE_CASE__       :			List[Any]													=find_backend(lines[line_index]							)
            if backend is not None:
                  while not lines[line_index].startswith('''else:'''							):
                        line_index += 1
                  line_index += 1
                  SCREAMING_SNAKE_CASE__       :			List[Any]													=[]
                  # Until we unindent, add backend objects to the list
                  while line_index < len(UpperCamelCase__							) and len(lines[line_index]							) > 1:
                        SCREAMING_SNAKE_CASE__       :			Optional[Any]													=lines[line_index]
                        SCREAMING_SNAKE_CASE__       :			Optional[Any]													=_re_single_line_import.search(UpperCamelCase__							)
                        if single_line_import_search is not None:
                              objects.extend(single_line_import_search.groups()[0].split(''', '''							)							)
                        elif line.startswith(''' ''' * 8							):
                              objects.append(line[8:-2]							)
                        line_index += 1

                  if len(UpperCamelCase__							) > 0:
                        SCREAMING_SNAKE_CASE__       :			Any													=objects
            else:
                  line_index += 1

      return backend_specific_objects





def 	_a(					UpperCamelCase__			:  Union[str, Any],		UpperCamelCase__			:  List[Any]							):




      '''simple docstring'''






      if name.isupper():
            return DUMMY_CONSTANT.format(UpperCamelCase__							)
      elif name.islower():
            return DUMMY_FUNCTION.format(UpperCamelCase__,		UpperCamelCase__							)
      else:
            return DUMMY_CLASS.format(UpperCamelCase__,		UpperCamelCase__							)





def 	_a(					UpperCamelCase__			:  Any=None							):




      '''simple docstring'''






      if backend_specific_objects is None:
            SCREAMING_SNAKE_CASE__       :			int													=read_init()
      # For special correspondence backend to module name as used in the function requires_modulename
      SCREAMING_SNAKE_CASE__       :			Optional[int]													={}

      for backend, objects in backend_specific_objects.items():
            SCREAMING_SNAKE_CASE__       :			Tuple													='''[''' + ''', '''.join(f"\"{b}\"" for b in backend.split('''_and_'''							)							) + ''']'''
            SCREAMING_SNAKE_CASE__       :			List[str]													='''# This file is autogenerated by the command `make fix-copies`, do not edit.\n'''
            dummy_file += "from ..utils import DummyObject, requires_backends\n\n"
            dummy_file += "\n".join([create_dummy_object(UpperCamelCase__,		UpperCamelCase__							) for o in objects]							)
            SCREAMING_SNAKE_CASE__       :			Tuple													=dummy_file

      return dummy_files





def 	_a(					UpperCamelCase__			:  Any=False							):




      '''simple docstring'''






      SCREAMING_SNAKE_CASE__       :			Tuple													=create_dummy_files()
      # For special correspondence backend to shortcut as used in utils/dummy_xxx_objects.py
      SCREAMING_SNAKE_CASE__       :			List[str]													={'''torch''': '''pt'''}

      # Locate actual dummy modules and read their content.
      SCREAMING_SNAKE_CASE__       :			List[str]													=os.path.join(UpperCamelCase__,		'''utils'''							)
      SCREAMING_SNAKE_CASE__       :			Union[str, Any]													={
          backend: os.path.join(UpperCamelCase__,		f"dummy_{short_names.get(UpperCamelCase__,		UpperCamelCase__							)}_objects.py"							)
          for backend in dummy_files.keys()
      }

      SCREAMING_SNAKE_CASE__       :			str													={}
      for backend, file_path in dummy_file_paths.items():
            if os.path.isfile(UpperCamelCase__							):
                  with open(UpperCamelCase__,		'''r''',		encoding='''utf-8''',		newline='''\n'''							) as f:
                        SCREAMING_SNAKE_CASE__       :			List[Any]													=f.read()
            else:
                  SCREAMING_SNAKE_CASE__       :			int													=''''''

      for backend in dummy_files.keys():
            if dummy_files[backend] != actual_dummies[backend]:
                  if overwrite:
                        print(
                            f"Updating diffusers.utils.dummy_{short_names.get(UpperCamelCase__,		UpperCamelCase__							)}_objects.py as the main "
                            '''__init__ has new objects.'''							)
                        with open(dummy_file_paths[backend],		'''w''',		encoding='''utf-8''',		newline='''\n'''							) as f:
                              f.write(dummy_files[backend]							)
                  else:
                        raise ValueError(
                            '''The main __init__ has objects that are not present in '''
                            f"diffusers.utils.dummy_{short_names.get(UpperCamelCase__,		UpperCamelCase__							)}_objects.py. Run `make fix-copies` "
                            '''to fix this.'''							)


if __name__ == "__main__":
  a_					=	argparse.ArgumentParser()
  parser.add_argument('--fix_and_overwrite', action='store_true', help='Whether to fix inconsistencies.')
  a_					=	parser.parse_args()

  check_dummies(args.fix_and_overwrite)