_lowerCamelCase    :      Optional[int]	 =						{hex(i)[2:]: i for i in range(16)}  # Use [:2] to strip off the leading '0x'





def 		__lowerCamelCase							(UpperCAmelCase__   :							str     ):
					SCREAMING_SNAKE_CASE				=				hex_string.strip().lower()
					if not hex_string:
										raise ValueError("Empty string was passed to the function"     )
					SCREAMING_SNAKE_CASE				=				hex_string[0] == "-"
					if is_negative:
										SCREAMING_SNAKE_CASE				=				hex_string[1:]
					if not all(char in hex_table for char in hex_string     ):
										raise ValueError("Non-hexadecimal value was passed to the function"     )
					SCREAMING_SNAKE_CASE				=				0
					for char in hex_string:
										SCREAMING_SNAKE_CASE				=				1_6 * decimal_number + hex_table[char]
					return -decimal_number if is_negative else decimal_number


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

							testmod()





import math





def 		__lowerCamelCase							(UpperCAmelCase__   :							int     ):

					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(UpperCAmelCase__     ) + 1     )					,       6     ):
										if number % i == 0 or number % (i + 2) == 0:
															return False
					return True





def 		__lowerCamelCase							(UpperCAmelCase__   :							int = 2_0_0_0_0_0_0     ):
					return sum(num for num in range(3					,       UpperCAmelCase__					,       2     ) if is_prime(UpperCAmelCase__     )     ) + 2 if n > 2 else 0


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




