




def     lowerCAmelCase		(		_lowerCAmelCase				: int = 10**6						):




 """simple docstring"""







 if n <= 0:
  raise ValueError("Please enter an integer greater than 0"						)

 UpperCAmelCase__							=    list(range(n + 1						)						)
 for number in range(2    ,				n + 1						):
  if phi[number] == number:
   phi[number] -= 1
   for multiple in range(number * 2    ,				n + 1    ,				lowerCAmelCase__						):
    UpperCAmelCase__							=    (phi[multiple] // number) * (number - 1)

 UpperCAmelCase__							=    1
 for number in range(1    ,				n + 1						):
  if (answer / phi[answer]) < (number / phi[number]):
   UpperCAmelCase__							=    number

 return answer


if __name__ == "__main__":
  print(solution())













def        _lowerCamelCase(      lowerCAmelCase__					:		float     ,     lowerCAmelCase__					:		float     ,     lowerCAmelCase__					:		float   ):





				'''simple docstring'''







				if mass < 0:
								raise ValueError('The mass of the body cannot be negative'   )
				if radius <= 0:
								raise ValueError('The radius is always a positive non zero integer'   )
				return (mass * (velocity) ** 2) / radius


if __name__ == "__main__":
				import doctest

				doctest.testmod(verbose=True)