====== 염색체 ======

===== 풀이 =====
  * [[ps:정규 표현식]]을 이용하면 간단하다. 표현식은 ^[A-F]?A+F+C+[A-F]?$ 이 된다

===== 코드 =====
<dkpr py>
"""Solution code for "BOJ 9342. 염색체".

- Problem link: https://www.acmicpc.net/problem/9342
- Solution link: http://www.teferi.net/ps/problems/boj/9342

Tags: [regex]
"""

import re
import sys
from teflib import psutils

PATTERN = re.compile(r'^[A-F]?A+F+C+[A-F]?$')


@psutils.run_n_times
def main():
    s = sys.stdin.readline().rstrip()
    print('Infected!' if PATTERN.match(s) else 'Good')


if __name__ == '__main__':
    main()

</dkpr>

{{tag>BOJ ps:problems:boj:실버_3}}