2235. Add Two Integers

class Solution:
    def sum(self, num1: int, num2: int) -> int:
        num1, num2 = num1 & 0xFFFFFFFF, num2 & 0xFFFFFFFF
        while num2:
            carry = ((num1 & num2) << 1) & 0xFFFFFFFF
            num1, num2 = num1 ^ num2, carry
        return num1 if num1 < 0x80000000 else ~(num1 ^ 0xFFFFFFFF)