import sys
import re

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

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

def solve(pattern,s):
    if re.match(pattern,s):
        return True
    return False

for s in sys.stdin:
    words = s.split()
    if len(words)<=1:
        print(WA)
        continue

    flag = False
    if solve('digi',s):
        if solve(di,s[::-1]):
            flag=True
    elif solve('petit',s):
        if solve(pe,s[::-1]):
            flag=True
    elif solve('rabi',s):
        if solve(ra,s[::-1]):
            flag=True       
    elif solve('gema',s):
        if solve(ge,s[::-1]):
            flag=True        
    elif solve('piyo',s):
        if solve(pi,s[::-1]):
            flag=True
            
    if flag:
        print(AC)
    else:
        print(WA)