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class Solution:
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    def strWithout3a3b(self, a: int, b: int) -> str:
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        if a < 3 and b < 3:
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            return "a" * a + "b" * b
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        s = ""
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        if a >= b:
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            k = a // b
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            if a // b != a / b:
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                k += 1
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            if k >= 3:
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                k = 2
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            while a > 0 or b > 0:
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                if a > k:
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                    s += "a" * k
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                else:
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                    s += "a" * a
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                a -= k
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                if b > 0:
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                    s += "b"
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                b -= 1
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                if a == b:
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                    k = 1
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        if a < b:
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            k = b // a
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            if b // a != b / a:
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                k += 1
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            if k >= 3:
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                k = 2
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            while b > 0 or a > 0:
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                if b > k:
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                    s += "b" * k
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                else:
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                    s += "b" * b
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                b -= k
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                if a > 0:
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                    s += "a"
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                a -= 1
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                if a == b:
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                    k = 1
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        return s