Simple  python solution
```\nclass Solution:\n    def addNegabinary(self, arr1: List[int], arr2: List[int]) -> List[int]:\n\t\t#convert Negabinary Numbers to int\n        def helper(ar
```\nclass Solution:\n    def addNegabinary(self, arr1: List[int], arr2: List[int]) -> List[int]:\n\t\t#convert Negabinary Numbers to int\n        def helper(arr):\n            ans = j = 0\n            for i in arr[::-1]:\n                ans += i * (-2) ** j\n                j += 1\n            return ans\n        \n\t\t#convert an integer to Negabinary Numbers (See No.1017 for more detail)\n        def h(N):\n            if N == 0 or N == 1: return str(N)\n            return h(-(N >> 1)) + str(N & 1)\n        \n        return [int(i) for i in h(helper(arr1) + helper(arr2))]
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