11 lines
285 B
Python
11 lines
285 B
Python
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import re
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import sys
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for line in sys.stdin:
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stripped_line = line.strip()
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if re.search(r'^(?!.*0.*0.*$)[0-9]{6}$', stripped_line):
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print('yes')
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else:
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print('no')
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# bez negacji ^(0[1-9]{5}|[1-9]0[1-9]{4}|[1-9]{2}0[1-9]{3}|[1-9]{3}0[1-9]{2}|[1-9]{4}0[1-9]{1}|[1-9]{5}0|[1-9]{6})$
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