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  1. for _ in range(20):
  2. 	import re
  3. 	s='1'
  4. 	exec"s+=`3-int(re.search(r'(.*)(.)\\1$',s).groups()[1])`;"*input()
  5. 	print s[-1]
Success #stdin #stdout 0.01s 8976KB
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https://ideone.com/c26gpy
language:
Python (cpython 2.7.16)
created:
7 years ago
visibility:
public

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