14 lines
218 B
Python
14 lines
218 B
Python
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import re
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import sys
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def line_digits_correct(line):
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return re.search('^([1-9](\d{4}|\d{5}))$', line)
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for line in sys.stdin:
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if line_digits_correct(line):
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print('yes')
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else:
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print('no')
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