#!/usr/bin/python3
import re,sys
# -*- coding: utf-8 -*-

p = re.compile(r'[A-ZĄŻŹŚĘĆŃŁÓ][a-zążźśęćńłó]*a ([A-ZĄŻŹŚĘĆŃŁÓ][a-zążźśęćńłó]+)$')

for linia in sys.stdin:
    m = p.match(linia)
    if m:
        print(m.group(1))
    else:
        print("<NONE>")