
def 					A       ( UpperCamelCase_   :       int = 10_00 )   ->    int:







			'''simple docstring'''



			lowerCAmelCase__									=							[0, 3, 3, 5, 4, 4, 3, 5, 5, 4, 3, 6, 6, 8, 8, 7, 7, 9, 8, 8]
			# number of letters in twenty, thirty, ..., ninety (0 for numbers less than
			# 20 due to inconsistency in teens)
			lowerCAmelCase__									=							[0, 0, 6, 6, 5, 5, 5, 7, 6, 6]

			lowerCAmelCase__									=							0

			for i in range(1  ,		n + 1 ):
						if i < 10_00:
									if i >= 1_00:
												# add number of letters for "n hundred"
												count += ones_counts[i // 1_00] + 7

												if i % 1_00 != 0:
															# add number of letters for "and" if number is not multiple
															# of 100
															count += 3

									if 0 < i % 1_00 < 20:
												# add number of letters for one, two, three, ..., nineteen
												# (could be combined with below if not for inconsistency in
												# teens)
												count += ones_counts[i % 1_00]
									else:
												# add number of letters for twenty, twenty one, ..., ninety
												# nine
												count += ones_counts[i % 10]
												count += tens_counts[(i % 1_00 - i % 10) // 10]
						else:
									count += ones_counts[i // 10_00] + 8
			return count


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







'''simple docstring'''

UpperCAmelCase__				:	List[str]					=						"\n# Transformers installation\n! pip install transformers datasets evaluate\n# To install from source instead of the last release, comment the command above and uncomment the following one.\n# ! pip install git+https://github.com/huggingface/transformers.git\n"

UpperCAmelCase__				:	Any					=						[{"type": "code", "content": INSTALL_CONTENT}]
UpperCAmelCase__				:	Union[str, Any]					=						{
    "{processor_class}": "FakeProcessorClass",
    "{model_class}": "FakeModelClass",
    "{object_class}": "FakeObjectClass",
}





