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class Solution:
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    def removeOuterParentheses(self, s: str) -> str:
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        c = 0
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        res = ""
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        for i in s:
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            if i == ")" and c == 1:
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                c = c - 1
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            elif i == "(" and c == 0:
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                c = c + 1
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            elif i == "(":
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                res = res + "("
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                c = c + 1
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            elif i == ")":
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                res = res + ")"
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                c = c - 1
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        return res