16 lines
273 B
Python
16 lines
273 B
Python
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import sys
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mask = 16777216-1
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def ng(n:int):
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n ^= (n << 6) & mask
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n ^= (n >> 5) & mask
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n ^= (n << 11) & mask
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return n
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ans = 0
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for x in = map(int,sys.stdin.read().strip().split('\n')):
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for _ in range(2000):
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x = ng(x)
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ans += x
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print(ans)
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