17 lines
304 B
Python
17 lines
304 B
Python
k = input()
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p = input()
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n = 0
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for i in range(1, 9999):
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neprim = True
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for j in range(2,i):
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if i % j == 0:
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neprim = False
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break
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if neprim:
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if not k in str(i):
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if not p in str(i):
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if i > n:
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n = i
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print(n)
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