



"""simple docstring"""




import re

from filelock import FileLock


try:
     import nltk

     _UpperCamelCase: Optional[int]										=     True
except (ImportError, ModuleNotFoundError):
     _UpperCamelCase: Union[str, Any]										=     False

if NLTK_AVAILABLE:
     with FileLock('.lock') as lock:
          nltk.download('punkt', quiet=True)


def      lowercase__   (	_UpperCAmelCase )   ->	str:






      '''simple docstring'''


      re.sub('<n>'		,					''		,					__a )  # remove pegasus newline char
      assert NLTK_AVAILABLE, "nltk must be installed to separate newlines between sentences. (pip install nltk)"
      return "\n".join(nltk.sent_tokenize(__a ) )




'''simple docstring'''
def 			a      (			)  ->	Union[str, Any]:



					'''simple docstring'''






					UpperCamelCase__   :Optional[int]												= []
					UpperCamelCase__   :int												= 1

					while len(__a   ) < 1e6:
										constant.append(str(__a   )   )
										i += 1

					UpperCamelCase__   :Union[str, Any]												= ''''''.join(__a   )

					return (
					    int(constant[0]   )
					    * int(constant[9]   )
					    * int(constant[99]   )
					    * int(constant[999]   )
					    * int(constant[9999]   )
					    * int(constant[99999]   )
					    * int(constant[999999]   )
					)


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