# Given two binary strings a and b, return their sum as a binary string.


class Solution:
    def addBinary(self, a: str, b: str) -> str:
        int_a = int("0b" + a, 2)
        int_b = int("0b" + b, 2)
        int_c = int_a + int_b
        return bin(int_c)[2:]