

"""simple docstring"""



from math import ceil, sqrt





def  _snake_case     (    UpperCAmelCase_  :					int = 100_0000			):
     A__										=  0

     for outer_width in range(3					,   (limit // 4) + 2			):
          if outer_width**2 > limit:
               A__										=  max(ceil(sqrt(outer_width**2 - limit			)			)					,   1			)
          else:
               A__										=  1
          if (outer_width - hole_width_lower_bound) % 2:
               hole_width_lower_bound += 1

          answer += (outer_width - hole_width_lower_bound - 2) // 2 + 1

     return answer


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









"""simple docstring"""



def  _snake_case     (    UpperCAmelCase_  :					int			):
     A__										=  1
     for i in range(1					,   num + 1			):
          fact *= i
     return fact





def  _snake_case     (    UpperCAmelCase_  :					int			):
     A__										=  0
     while number > 0:
          A__										=  number % 10
          sum_of_digits += last_digit
          A__										=  number // 10  # Removing the last_digit from the given number
     return sum_of_digits





def  _snake_case     (    UpperCAmelCase_  :					int = 100			):
     A__										=  factorial(UpperCAmelCase_			)
     A__										=  split_and_add(UpperCAmelCase_			)
     return result


if __name__ == "__main__":
 print(solution(int(input('Enter the Number: ').strip())))






