15 lines
226 B
Python
15 lines
226 B
Python
n = int(input())
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def conNS(x, si1 ,si2):
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x = int(str(x), si1)
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b = ''
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while x > 0:
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b, x = str(x%si2)+b, x//si2
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return b
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n = conNS(n, 5, 7)
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n = sum(list(map(int, str(n))))
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n = conNS(n, 10, 3)
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print(n)
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