





'''simple docstring'''




def 			_lowerCAmelCase     (    __snake_case    :					Dict = 1_00_00_00     )	->	int:
     __A		:					Optional[int]						=			set(range(3					,				lowercase_					,				2     )     )
     primes.add(2     )
     for p in range(3					,				lowercase_					,				2     ):
          if p not in primes:
               continue
          primes.difference_update(set(range(p * p					,				lowercase_					,				lowercase_     )     )     )

     __A		:					Any						=			[float(lowercase_     ) for n in range(limit + 1     )]

     for p in primes:
          for n in range(lowercase_					,				limit + 1					,				lowercase_     ):
               phi[n] *= 1 - 1 / p

     return int(sum(phi[2:]     )     )


if __name__ == "__main__":
  print(f"""{solution() = }""")






"""simple docstring"""


import random
from typing import Any




def        lowercase__     (       lowercase_      )       ->		list[Any]:




      """simple docstring"""

      for _ in range(len(lowercase_      )      ):
            _UpperCamelCase   :						Dict    =							random.randint(0		,len(lowercase_      ) - 1      )
            _UpperCamelCase   :						str    =							random.randint(0		,len(lowercase_      ) - 1      )
            _UpperCamelCase,	_UpperCamelCase   :						Optional[Any]    =							data[b], data[a]
      return data


if __name__ == "__main__":
  lowerCamelCase__						= [0, 1, 2, 3, 4, 5, 6, 7]
  lowerCamelCase__						= ["python", "says", "hello", "!"]
  print("Fisher-Yates Shuffle:")
  print("List", integers, strings)
  print("FY Shuffle", fisher_yates_shuffle(integers), fisher_yates_shuffle(strings))
