





def 							__snake_case							(    lowerCAmelCase_ = 1_0_0_0_0_0_0	)				->						int:
    SCREAMING_SNAKE_CASE__											=			[i - 1 for i in range(limit + 1	)]

    for i in range(2 ,							limit + 1	):
        if phi[i] == i - 1:
            for j in range(2 * i ,							limit + 1 ,							lowerCAmelCase_	):
                phi[j] -= phi[j] // i

    return sum(phi[2 : limit + 1]	)


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





import requests
from bsa import BeautifulSoup






def     __a					(		__UpperCAmelCase							,  __UpperCAmelCase       ):
 a__												= BeautifulSoup(requests.get(__UpperCAmelCase							,  params=__UpperCAmelCase       ).content							,  '''html.parser'''       )
 a__												= soup.find('''div'''							,  attrs={'''class''': '''gs_ri'''}       )
 a__												= div.find('''div'''							,  attrs={'''class''': '''gs_fl'''}       ).find_all('''a'''       )
 return anchors[2].get_text()


if __name__ == "__main__":
     a_      :      Optional[Any]    =     {
         'title': (
             'Precisely geometry controlled microsupercapacitors for ultrahigh areal '
             'capacitance, volumetric capacitance, and energy density'
         ),
         'journal': 'Chem. Mater.',
         'volume': 30,
         'pages': '3979-3990',
         'year': 20_18,
         'hl': 'en',
     }
     print(get_citation('https://scholar.google.com/scholar_lookup', params=params))





