import re

di = re.compile(r'^digi ([^ ]+.*)*(n|N)(y|Y)(o|O)[^a-zA-Z0-9]{0,3}$')
pe = re.compile(r'^petit ([^ ]+.*)*(n|N)(y|Y)(u|U)[^a-zA-Z0-9]{0,3}$')
ra = re.compile(r'^rabi ([^ ]+.*)*[a-zA-Z0-9]+.*$')
ge = re.compile(r'^gema ([^ ]+.*)*(g|G)(e|E)(m|M)(a|A)[^a-zA-Z0-9]{0,3}$')
pi = re.compile(r'^piyo ([^ ]+.*)*(p|P)(y|Y)(o|O)[^a-zA-Z0-9]{0,3}$')

AC='CORRECT (maybe)'
WG='WRONG!'

def solve(s):
    if re.search(di,s) or re.search(pe,s) or re.search(ra,s) or re.search(ge,s) or re.search(pi,s):
        return True
    return False

while 1:
    s=input()
    if s=='':
        break

    if solve(s):
        print(AC)
    else:
        print(WG)