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@@ -0,0 +1,17 @@
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+#!/usr/bin/env python3
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+import sys
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+from collections import deque
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+
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+def mix(numbers, times):
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+ buf = deque(range(len(numbers)))
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+ for _ in range(times):
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+ for i in range(len(buf)):
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+ buf.rotate(-buf.index(i))
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+ buf.rotate(-numbers[buf.popleft()])
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+ buf.appendleft(i)
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+ buf.rotate(-buf.index(numbers.index(0)))
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+ return sum(numbers[buf[i % len(buf)]] for i in (1000, 2000, 3000))
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+
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+numbers = list(map(int, sys.stdin))
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+print(mix(numbers, 1))
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+print(mix([n * 811589153 for n in numbers], 10))
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Taddeus Kroes