



"""simple docstring"""






from math import ceil






def 	snake_case_  (				A_ :		int = 10_01						):


       '''simple docstring'''





       _lowerCamelCase						:    Union[str, Any]         =			1

       for i in range(1,    int(ceil(n / 2.0						)						)						):
              _lowerCamelCase						:    Tuple         =			2 * i + 1
              _lowerCamelCase						:    Union[str, Any]         =			2 * i
              _lowerCamelCase						:    Dict         =			total + 4 * odd**2 - 6 * even

       return total


if __name__ == "__main__":
   import sys

   if len(sys.argv) == 1:
      print(solution())
   else:
      try:
         lowerCAmelCase__      =    int(sys.argv[1])
         print(solution(n))
      except ValueError:
         print('''Invalid entry - please enter a number''')







"""simple docstring"""






def 	snake_case_  (				A_ :		float						):


       '''simple docstring'''





       if edge <= 0 or not isinstance(A_,    A_						):
              raise ValueError('''Length must be a positive.'''						)
       return 3 * ((25 + 10 * (5 ** (1 / 2))) ** (1 / 2)) * (edge**2)






def 	snake_case_  (				A_ :		float						):


       '''simple docstring'''





       if edge <= 0 or not isinstance(A_,    A_						):
              raise ValueError('''Length must be a positive.'''						)
       return ((15 + (7 * (5 ** (1 / 2)))) / 4) * (edge**3)


if __name__ == "__main__":
   import doctest

   doctest.testmod()


