



def      lowerCAmelCase_					(  _lowercase    :       str)							->	int:
			assert column_title.isupper()
			a__       :						Union[str, Any]							=  0
			a__       :						Any							=  len(_lowercase) - 1
			a__       :						Dict							=  0

			while index >= 0:
						a__       :						Optional[Any]							=  (ord(column_title[index]) - 64) * pow(26						,       _lowercase)
						answer += value
						power += 1
						index -= 1

			return answer


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

		testmod()









from __future__ import annotations

import math

def      lowerCAmelCase_					(  _lowercase    :       int)							->	list[int]:







			"""simple docstring"""

			if num <= 0:
						a__       :						Tuple							=  F'''{num}: Invalid input, please enter a positive integer.'''
						raise ValueError(_lowercase)

			a__       :						List[Any]							=  [True] * (num + 1)
			a__       :						List[str]							=  []
			a__       :						List[Any]							=  2
			a__       :						Optional[int]							=  int(math.sqrt(_lowercase))

			while start <= end:
						# If start is a prime
						if sieve[start] is True:
									prime.append(_lowercase)

									# Set multiples of start be False
									for i in range(start * start						,       num + 1						,       _lowercase):
												if sieve[i] is True:
															a__       :						Optional[int]							=  False

						start += 1

			for j in range(end + 1						,       num + 1):
						if sieve[j] is True:
									prime.append(_lowercase)

			return prime


if __name__ == "__main__":
		print(prime_sieve(int(input("Enter a positive integer: ").strip())))




