jfz-2023-s474155/TaskE10/run.py
2023-12-09 17:11:00 +01:00

20 lines
474 B
Python

import re
import sys
def isPow2Hex(s):
pattern = re.compile(r'^(?:[1-9A-Fa-f]0*|0)$')
return bool(re.match(pattern, s))
# inFile = sys.argv[1]
# outFile = sys.argv[2]
inFile = 'test.in'
outFile = 'test.out'
with open(inFile, 'r', encoding='utf-8') as inputFile, open(outFile, 'w', encoding='utf-8') as outputFile:
for line in inputFile:
line = line.strip()
result = "yes" if isPow2Hex(line) else "no"
outputFile.write(result + '\n')