using System.Text.RegularExpressions;
using System.Collections.Generic;
using System;

public class hello
{
    public static HashSet<string> hs;
    public static string ok = "CORRECT (maybe)";
    public static string ng = "WRONG!";
    static void Main()
    {
        var a0 = new string[] { "digi", "petit", "gema", "piyo" };
        hs = new HashSet<string>();
        foreach (var x in a0) hs.Add(x);
        string L;
        for (; (L = Console.ReadLine()) != null;)
        {
            string[] line = L.Split(' ');
            if (!hs.Contains(line[0])) { Console.WriteLine(ng); continue; }
            else
            {
                var lineL = line.Length;
                if (lineL == 1) { Console.WriteLine(ng); continue; }
                if (line[0] == "rabi") getAns0(line);
                else getAns(line[0], line[lineL - 1]);
            }
        }
    }
    static void getAns0(string[] line)
    {
        foreach (var x in line)
        {
            if (Regex.IsMatch(x, @"\W")) { Console.WriteLine(ok); return; }
        }
        Console.WriteLine(ng);
    }
    static void getAns(string a, string b)
    {
        if (!hs.Contains(a)) { Console.WriteLine(ng); return; }
        var t = b.ToLower();
        bool ans;
        if (a == "digi") ans = Regex.IsMatch(t, @"nyo\W{0,3}$");
        else if (a == "petit") ans = Regex.IsMatch(t, @"nyu\W{0,3}$");
        else if (a == "gema") ans = Regex.IsMatch(t, @"gema\W{0,3}$");
        else ans = Regex.IsMatch(t, @"pyo\W{0,3}$");
        Console.WriteLine(ans ? ok : ng);
    }
}