





from .balanced_parentheses import balanced_parentheses
from .stack import Stack





def 		__SCREAMING_SNAKE_CASE						(       UpperCamelCase__				)						->       Any:







			'''simple docstring'''

			return {"+": 1, "-": 1, "*": 2, "/": 2, "^": 3}.get(UpperCamelCase__    ,    -1				)





def 		__SCREAMING_SNAKE_CASE						(       UpperCamelCase__				)						->       str:







			'''simple docstring'''

			if not balanced_parentheses(UpperCamelCase__				):
						raise ValueError('''Mismatched parentheses'''				)
			UpperCAmelCase     	=       Stack()
			UpperCAmelCase     	=       []
			for char in expression_str:
						if char.isalpha() or char.isdigit():
									postfix.append(UpperCamelCase__				)
						elif char == "(":
									stack.push(UpperCamelCase__				)
						elif char == ")":
									while not stack.is_empty() and stack.peek() != "(":
												postfix.append(stack.pop()				)
									stack.pop()
						else:
									while not stack.is_empty() and precedence(UpperCamelCase__				) <= precedence(stack.peek()				):
												postfix.append(stack.pop()				)
									stack.push(UpperCamelCase__				)
			while not stack.is_empty():
						postfix.append(stack.pop()				)
			return " ".join(UpperCamelCase__				)


if __name__ == "__main__":
				from doctest import testmod

				testmod()
				__A       :					Optional[int]     					=     """a+b*(c^d-e)^(f+g*h)-i"""

				print("Infix to Postfix Notation demonstration:\n")
				print("Infix notation: " + expression)
				print("Postfix notation: " + infix_to_postfix(expression))









from math import floor, sqrt





def 		__SCREAMING_SNAKE_CASE						(       UpperCamelCase__				)						->       int:







			'''simple docstring'''

			UpperCAmelCase     	=       0.0
			UpperCAmelCase     	=       1.0
			UpperCAmelCase     	=       int(sqrt(UpperCamelCase__				)				)
			UpperCAmelCase     	=       root
			UpperCAmelCase     	=       0
			while integer_part != 2 * root:
						UpperCAmelCase     	=       denominator * integer_part - numerator
						UpperCAmelCase     	=       (n - numerator**2) / denominator
						UpperCAmelCase     	=       int((root + numerator) / denominator				)
						period += 1
			return period





def 		__SCREAMING_SNAKE_CASE						(       UpperCamelCase__ = 1_0000				)						->       int:







			'''simple docstring'''

			UpperCAmelCase     	=       0
			for i in range(2    ,    n + 1				):
						UpperCAmelCase     	=       sqrt(UpperCamelCase__				)
						if sr - floor(UpperCamelCase__				) != 0 and continuous_fraction_period(UpperCamelCase__				) % 2 == 1:
									count_odd_periods += 1
			return count_odd_periods


if __name__ == "__main__":
				print(F'{solution(int(input().strip()))}')



