djfz-2019/TaskA42/run
deadsmond 91ac2d122a hm
2019-10-28 19:53:27 +01:00

16 lines
267 B
Python

#!/usr/bin/python3
import sys
import re
def is_number(test):
pattern = re.compile(r'^N(IE{6}|O{6})!{3}$')
result = re.match(pattern, test)
if result:
return "yes"
else:
return "no"
for line in sys.stdin:
print(is_number(line))