26 lines
732 B
Python
26 lines
732 B
Python
# HORSE HEAD -> 46773 4323
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import re
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import sys
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pattern = r'^[A-Z][A-Z][A-Z][A-Z][A-Z] [A-Z][A-Z][A-Z][A-Z]$'
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def get_number(c):
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result = re.sub(r'[ABC]', '2', c)
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result = re.sub(r'[DEF]', '3', result)
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result = re.sub(r'[GHI]', '4', result)
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result = re.sub(r'[JKL]', '5', result)
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result = re.sub(r'[MNO]', '6', result)
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result = re.sub(r'[PQRS]', '7', result)
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result = re.sub(r'[TUV]', '8', result)
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result = re.sub(r'[WXYZ]', '9', result)
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return result
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for line in sys.stdin:
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line = line.strip('\n')
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if not re.match(pattern, line):
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print('no')
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continue
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num = ''.join(get_number(c) for c in line.replace(' ', ''))
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print('yes' if re.match(r'^467734323$', num) else 'no')
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