

'''simple docstring'''


import os
import re
import shutil
import sys
import tempfile
import unittest

import black


lowerCAmelCase__						:       List[Any]										=						os.path.abspath(os.path.dirname(os.path.dirname(os.path.dirname(__file__))))
sys.path.append(os.path.join(git_repo_path, """utils"""))

import check_copies  # noqa: E402


# This is the reference code that will be used in the tests.
# If DDPMSchedulerOutput is changed in scheduling_ddpm.py, this code needs to be manually updated.
lowerCAmelCase__						:       Optional[Any]										=						"""    \"\"\"\n    Output class for the scheduler's step function output.\n\n    Args:\n        prev_sample (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)` for images):\n            Computed sample (x_{t-1}) of previous timestep. `prev_sample` should be used as next model input in the\n            denoising loop.\n        pred_original_sample (`torch.FloatTensor` of shape `(batch_size, num_channels, height, width)` for images):\n            The predicted denoised sample (x_{0}) based on the model output from the current timestep.\n            `pred_original_sample` can be used to preview progress or for guidance.\n    \"\"\"\n\n    prev_sample: torch.FloatTensor\n    pred_original_sample: Optional[torch.FloatTensor] = None\n"""




class     a			(				unittest.TestCase       ):






						"""simple docstring"""




						def       __magic_name__							(							self					:      List[Any]  ):



								'''simple docstring'''



								snake_case__						:       Any       						=  tempfile.mkdtemp()
								os.makedirs(os.path.join(self.diffusers_dir			,			'''schedulers/'''  )  )
								snake_case__						:       Optional[int]       						=  self.diffusers_dir
								shutil.copy(
								    os.path.join(__lowerCAmelCase			,			'''src/diffusers/schedulers/scheduling_ddpm.py'''  )			,			os.path.join(self.diffusers_dir			,			'''schedulers/scheduling_ddpm.py'''  )			,			)







						def       __magic_name__							(							self					:      Dict  ):



								'''simple docstring'''



								snake_case__						:       Any       						=  '''src/diffusers'''
								shutil.rmtree(self.diffusers_dir  )







						def       __magic_name__							(							self					:      Optional[Any]			,			snake_case_					:      Union[str, Any]			,			snake_case_					:      Optional[Any]			,			snake_case_					:      List[Any]			,			snake_case_					:      Optional[Any]=None  ):



								'''simple docstring'''



								snake_case__						:       Optional[Any]       						=  comment + F"""\nclass {class_name}(nn.Module):\n""" + class_code
								if overwrite_result is not None:
										snake_case__						:       List[Any]       						=  comment + F"""\nclass {class_name}(nn.Module):\n""" + overwrite_result
								snake_case__						:       Dict       						=  black.Mode(target_versions={black.TargetVersion.PYaa}			,			line_length=1_1_9  )
								snake_case__						:       Optional[int]       						=  black.format_str(__lowerCAmelCase			,			mode=__lowerCAmelCase  )
								snake_case__						:       int       						=  os.path.join(self.diffusers_dir			,			'''new_code.py'''  )
								with open(__lowerCAmelCase			,			'''w'''			,			newline='''\n'''  ) as f:
										f.write(__lowerCAmelCase  )
								if overwrite_result is None:
										self.assertTrue(len(check_copies.is_copy_consistent(__lowerCAmelCase  )  ) == 0  )
								else:
										check_copies.is_copy_consistent(f.name			,			overwrite=__lowerCAmelCase  )
										with open(__lowerCAmelCase			,			'''r'''  ) as f:
												self.assertTrue(f.read()			,			__lowerCAmelCase  )







						def       __magic_name__							(							self					:      List[str]  ):



								'''simple docstring'''



								snake_case__						:       List[Any]       						=  check_copies.find_code_in_diffusers('''schedulers.scheduling_ddpm.DDPMSchedulerOutput'''  )
								self.assertEqual(__lowerCAmelCase			,			__lowerCAmelCase  )







						def       __magic_name__							(							self					:      Optional[Any]  ):



								'''simple docstring'''



								self.check_copy_consistency(
								    '''# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput'''			,			'''DDPMSchedulerOutput'''			,			REFERENCE_CODE + '''\n'''			,			)

								# With no empty line at the end
								self.check_copy_consistency(
								    '''# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput'''			,			'''DDPMSchedulerOutput'''			,			__lowerCAmelCase			,			)

								# Copy consistency with rename
								self.check_copy_consistency(
								    '''# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->Test'''			,			'''TestSchedulerOutput'''			,			re.sub('''DDPM'''			,			'''Test'''			,			__lowerCAmelCase  )			,			)

								# Copy consistency with a really long name
								snake_case__						:       Tuple       						=  '''TestClassWithAReallyLongNameBecauseSomePeopleLikeThatForSomeReason'''
								self.check_copy_consistency(
								    F"""# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->{long_class_name}"""			,			F"""{long_class_name}SchedulerOutput"""			,			re.sub('''Bert'''			,			__lowerCAmelCase			,			__lowerCAmelCase  )			,			)

								# Copy consistency with overwrite
								self.check_copy_consistency(
								    '''# Copied from diffusers.schedulers.scheduling_ddpm.DDPMSchedulerOutput with DDPM->Test'''			,			'''TestSchedulerOutput'''			,			__lowerCAmelCase			,			overwrite_result=re.sub('''DDPM'''			,			'''Test'''			,			__lowerCAmelCase  )			,			)






'''simple docstring'''


from collections.abc import Generator




def 	_a       (				):

		"""simple docstring"""

		snake_case__						,       snake_case__						:       List[Any]       						=  0, 1
		while True:
				snake_case__						,       snake_case__						:       str       						=  b, a + b
				yield b




def 	_a       (				__lowerCAmelCase		:      int = 10_00     ):

		"""simple docstring"""

		snake_case__						:       Optional[int]       						=  1
		snake_case__						:       Tuple       						=  fibonacci_generator()
		while len(str(next(__lowerCAmelCase     )     )     ) < n:
				answer += 1
		return answer + 1


if __name__ == "__main__":
					print(solution(int(str(input()).strip())))



