
_SCREAMING_SNAKE_CASE    :      List[str]          =			8.31_4462  # Unit - J mol-1 K-1

def 				SCREAMING_SNAKE_CASE     (      __UpperCamelCase :						float							,						__UpperCamelCase :						float							,						__UpperCamelCase :						float       ) ->       float:

				"""simple docstring"""







				if moles < 0 or kelvin < 0 or volume < 0:
								raise ValueError('''Invalid inputs. Enter positive value.'''       )
				return moles * kelvin * UNIVERSAL_GAS_CONSTANT / volume

def 				SCREAMING_SNAKE_CASE     (      __UpperCamelCase :						float							,						__UpperCamelCase :						float							,						__UpperCamelCase :						float       ) ->       float:

				"""simple docstring"""







				if moles < 0 or kelvin < 0 or pressure < 0:
								raise ValueError('''Invalid inputs. Enter positive value.'''       )
				return moles * kelvin * UNIVERSAL_GAS_CONSTANT / pressure


if __name__ == "__main__":
	from doctest import testmod

	testmod()

def 				SCREAMING_SNAKE_CASE     (      __UpperCamelCase :						int       ) ->       int:

				"""simple docstring"""







				if n == 1 or not isinstance(__UpperCamelCase							,						__UpperCamelCase       ):
								return 0
				elif n == 2:
								return 1
				else:
								A__  :	Any         =							[0, 1]
								for i in range(2							,						n + 1       ):
												sequence.append(sequence[i - 1] + sequence[i - 2]       )

								return sequence[n]

def 				SCREAMING_SNAKE_CASE     (      __UpperCamelCase :						int       ) ->       int:

				"""simple docstring"""







				A__  :	Dict         =							0
				A__  :	Optional[int]         =							2

				while digits < n:
								index += 1
								A__  :	Dict         =							len(str(fibonacci(__UpperCamelCase       )       )       )

				return index

def 				SCREAMING_SNAKE_CASE     (      __UpperCamelCase :						int = 10_00       ) ->       int:

				"""simple docstring"""







				return fibonacci_digits_index(__UpperCamelCase       )


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