21 lines
354 B
Python
21 lines
354 B
Python
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def main() -> int:
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a = int(input())
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if a < 10:
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return a
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numbers = []
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for divider in range(9, 1, -1):
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while a % divider == 0:
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a //= divider
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numbers.append(divider)
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if a >= 10:
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return 0
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return int("".join(map(str, sorted(numbers))))
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if __name__ == "__main__":
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print(main())
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