
'''simple docstring'''







_lowercase				:						str												= {
    "+": lambda x, y: x + y,
    "-": lambda x, y: x - y,
    "*": lambda x, y: x * y,
    "/": lambda x, y: x / y,
}
def       snake_case_	(       __SCREAMING_SNAKE_CASE      :				Any							):



						"""simple docstring"""





						return c.isdigit()
def       snake_case_	(       __SCREAMING_SNAKE_CASE      :				Dict							):



						"""simple docstring"""





						lowercase_			:  List[Any]									= []

						# iterate over the string in reverse order
						for c in expression.split()[::-1]:
												# push operand to stack
												if is_operand(__SCREAMING_SNAKE_CASE							):
																		stack.append(int(__SCREAMING_SNAKE_CASE							)							)

												else:
																		# pop values from stack can calculate the result
																		# push the result onto the stack again
																		lowercase_			:  Optional[int]									= stack.pop()
																		lowercase_			:  Union[str, Any]									= stack.pop()
																		stack.append(calc[c](__SCREAMING_SNAKE_CASE   ,   __SCREAMING_SNAKE_CASE							)							)

						return stack.pop()


# Driver code
if __name__ == "__main__":
							_lowercase				:						List[Any]												= "+ 9 * 2 6"
							print(evaluate(test_expression))

							_lowercase				:						Union[str, Any]												= "/ * 10 2 + 4 1 "
							print(evaluate(test_expression))





'''simple docstring'''







import math
def       snake_case_	(       __SCREAMING_SNAKE_CASE      :				int							):



						"""simple docstring"""





						if 1 < number < 4:
												# 2 and 3 are primes
												return True
						elif number < 2 or number % 2 == 0 or number % 3 == 0:
												# Negatives, 0, 1, all even numbers, all multiples of 3 are not primes
												return False

						# All primes number are in format of 6k +/- 1
						for i in range(5   ,   int(math.sqrt(__SCREAMING_SNAKE_CASE							) + 1							)   ,   6							):
												if number % i == 0 or number % (i + 2) == 0:
																		return False
						return True
def       snake_case_	(       __SCREAMING_SNAKE_CASE      :				int = 600851475143							):



						"""simple docstring"""





						try:
												lowercase_			:  List[str]									= int(__SCREAMING_SNAKE_CASE							)
						except (TypeError, ValueError):
												raise TypeError('''Parameter n must be int or castable to int.'''							)
						if n <= 0:
												raise ValueError('''Parameter n must be greater than or equal to one.'''							)
						lowercase_			:  Tuple									= 0
						if is_prime(__SCREAMING_SNAKE_CASE							):
												return n
						while n % 2 == 0:
												n //= 2
						if is_prime(__SCREAMING_SNAKE_CASE							):
												return n
						for i in range(3   ,   int(math.sqrt(__SCREAMING_SNAKE_CASE							)							) + 1   ,   2							):
												if n % i == 0:
																		if is_prime(n // i							):
																								lowercase_			:  str									= n // i
																								break
																		elif is_prime(__SCREAMING_SNAKE_CASE							):
																								lowercase_			:  Optional[Any]									= i
						return max_number


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



