




__a							     =					[0, 2, 4, 6, 8]
__a							     =					[1, 3, 5, 7, 9]







def lowerCamelCase__  (     _lowercase					,		_lowercase					,		_lowercase					,		_lowercase ):

     '''simple docstring'''


     if remaining_length == 0:
          if digits[0] == 0 or digits[-1] == 0:
               return 0

          for i in range(length // 2 - 1					,		-1					,		-1 ):
               remainder += digits[i] + digits[length - i - 1]

               if remainder % 2 == 0:
                    return 0

               remainder //= 10

          return 1

     if remaining_length == 1:
          if remainder % 2 == 0:
               return 0

          UpperCAmelCase_     :				Any  =     0
          for digit in range(10 ):
               UpperCAmelCase_     :				int  =     digit
               result += reversible_numbers(
                   0					,		(remainder + 2 * digit) // 10					,		_lowercase					,		_lowercase )
          return result

     UpperCAmelCase_     :				Optional[int]  =     0
     for digita in range(10 ):
          UpperCAmelCase_     :				Tuple  =     digita

          if (remainder + digita) % 2 == 0:
               UpperCAmelCase_     :				Union[str, Any]  =     ODD_DIGITS
          else:
               UpperCAmelCase_     :				int  =     EVEN_DIGITS

          for digita in other_parity_digits:
               UpperCAmelCase_     :				Any  =     digita
               result += reversible_numbers(
                   remaining_length - 2					,		(remainder + digita + digita) // 10					,		_lowercase					,		_lowercase					,		)
     return result







def lowerCamelCase__  (     _lowercase = 9 ):

     '''simple docstring'''


     UpperCAmelCase_     :				List[Any]  =     0
     for length in range(1					,		max_power + 1 ):
          result += reversible_numbers(_lowercase					,		0					,		[0] * length					,		_lowercase )
     return result


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





from decimal import Decimal, getcontext
from math import ceil, factorial







def lowerCamelCase__  (     _lowercase ):

     '''simple docstring'''


     if not isinstance(_lowercase					,		_lowercase ):
          raise TypeError('''Undefined for non-integers''' )
     elif precision < 1:
          raise ValueError('''Undefined for non-natural numbers''' )

     UpperCAmelCase_     :				Tuple  =     precision
     UpperCAmelCase_     :				Optional[Any]  =     ceil(precision / 14 )
     UpperCAmelCase_     :				int  =     426880 * Decimal(10005 ).sqrt()
     UpperCAmelCase_     :				Tuple  =     1
     UpperCAmelCase_     :				List[Any]  =     13591409
     UpperCAmelCase_     :				Optional[Any]  =     Decimal(_lowercase )
     for k in range(1					,		_lowercase ):
          UpperCAmelCase_     :				List[str]  =     factorial(6 * k ) // (factorial(3 * k ) * factorial(_lowercase ) ** 3)
          linear_term += 545140134
          exponential_term *= -262537412640768000
          partial_sum += Decimal(multinomial_term * linear_term ) / exponential_term
     return str(constant_term / partial_sum )[:-1]


if __name__ == "__main__":
     __a							     =					50
     print(F"""The first {n} digits of pi is: {pi(n)}""")