using System;
using System.IO;
using System.Linq;
using System.Text;
using System.Text.RegularExpressions;
using System.Collections.Generic;
using System.Diagnostics;
using System.Numerics;
using Enu = System.Linq.Enumerable;

public class Program
{
    static readonly string OK = "CORRECT (maybe)";
    static readonly string NG = "WRONG!";
    static readonly string[] Characters = { "digi", "petit", "rabi", "gema", "piyo" };
    Regex[] reg;
    bool[] isK;
    string K;

    public void Solve()
    {
        K = "";
        isK = new bool[256];
        for (char c = (char)32; c < 127; c++)
            if (!char.IsDigit(c) && !char.IsLetter(c))
            {
                K += c;
                isK[c] = true;
            }
        reg = new Regex[Characters.Length];
        reg[0] = new Regex("nyo[" + K + "?]{0,3}$");
        reg[1] = new Regex("nyu[" + K + "?]{0,3}$");
        reg[3] = new Regex("gema[" + K + "?]{0,3}$");
        reg[4] = new Regex("pyo[" + K + "?]{0,3}$");
        string S;

        while (!string.IsNullOrEmpty(S = Console.ReadLine()))
        {
            int who = 0;
            for (; who < Characters.Length; who++)
                if (S.StartsWith(Characters[who]))
                {
                    string sub = S.Substring(Characters[who].Length + 1).ToLower();
                    Console.WriteLine(Valid(sub, who) ? OK : NG);
                    break;
                }
            if (who == Characters.Length) Console.WriteLine(NG);
        }
    }

    private bool Valid(string S, int who)
    {
        if (who == 2)
        {
            int count = 0;
            foreach (char c in S) if (isK[c] && ++count > 1) return false;
            return count == 1;
        }
        return reg[who].IsMatch(S);
    }
}


class Entry { static void Main() { new Program().Solve(); } }
class Reader
{
    static TextReader reader = Console.In;
    static readonly char[] separator = { ' ' };
    static readonly StringSplitOptions op = StringSplitOptions.RemoveEmptyEntries;
    static string[] A = new string[0];
    static int i;
    static void Init() { A = new string[0]; }
    public static void Set(TextReader r) { reader = r; Init(); }
    public static void Set(string file) { reader = new StreamReader(file); Init(); }
    public static bool HasNext() { return CheckNext(); }
    public static string String() { return Next(); }
    public static int Int() { return int.Parse(Next()); }
    public static long Long() { return long.Parse(Next()); }
    public static double Double() { return double.Parse(Next()); }
    public static int[] IntLine() { return Array.ConvertAll(Split(Line()), int.Parse); }
    public static int[] IntArray(int N) { return Range(N, Int); }
    public static int[][] IntTable(int H) { return Range(H, IntLine); }
    public static string[] StringArray(int N) { return Range(N, Next); }
    public static string[][] StringTable(int N) { return Range(N, () => Split(Line())); }
    public static string Line() { return reader.ReadLine().Trim(); }
    static T[] Range<T>(int N, Func<T> f) { return Enu.Range(0, N).Select(i => f()).ToArray(); }
    static string[] Split(string s) { return s.Split(separator, op); }
    static string Next() { CheckNext(); return A[i++]; }
    static bool CheckNext()
    {
        if (i < A.Length) return true;
        string line = reader.ReadLine();
        if (line == null) return false;
        if (line == "") return CheckNext();
        A = Split(line);
        i = 0;
        return true;
    }
}