
"""simple docstring"""




a		:       List[str]     						=       '\n# Installazione di Transformers\n! pip install transformers datasets\n# Per installare dalla fonte invece dell\'ultima versione rilasciata, commenta il comando sopra e\n# rimuovi la modalità commento al comando seguente.\n# ! pip install git+https://github.com/huggingface/transformers.git\n'

a		:       List[Any]     						=       [{'type': 'code', 'content': INSTALL_CONTENT}]
a		:       Any     						=       {
    '{processor_class}': 'FakeProcessorClass',
    '{model_class}': 'FakeModelClass',
    '{object_class}': 'FakeObjectClass',
}








'''simple docstring'''

from collections.abc import Generator


def 						__magic_name__       (      )						->   Generator[int, None, None]:

					'''simple docstring'''

					snake_case_     ,snake_case_		     =							0, 1
					while True:
										snake_case_     ,snake_case_		     =							b, a + b
										yield b


def 						__magic_name__       (      __UpperCAmelCase = 1000      )						->   int:

					'''simple docstring'''

					snake_case_		     =							1
					snake_case_		     =							fibonacci_generator()
					while len(str(next(__UpperCAmelCase      )      )      ) < n:
										answer += 1
					return answer + 1


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

