using System;

namespace No380
{
    class Program
    {
        static void Main(string[] args)
        {
            string data;

            while ((data = Console.ReadLine()) != null)
            {
                string[] word = data.Split(' ');
                string lastWord = word[word.Length - 1];
                bool judgment = false;

                switch(word[0])
                {
                    case "digi":
                        judgment = LineEnd(lastWord.ToLower(), "nyo");
                        break;
                    case "petit":
                        judgment = LineEnd(lastWord.ToLower(), "nyu");
                        break;
                    case "rabi":
                        break;
                    case "gema":
                        judgment = LineEnd(lastWord.ToLower(), "gema");
                        break;
                    case "piyo":
                        judgment = LineEnd(lastWord.ToLower(), "pyo");
                        break;
                }

                if (judgment)
                    Console.WriteLine("CORRECT (maybe)");
                else
                    Console.WriteLine("WRONG!");
            }
        }

        static bool LineEnd(string word,string suffix)
        {
            if (word.LastIndexOf(suffix) == -1)
                return false;

            if (word.Length - suffix.Length - word.LastIndexOf(suffix) > 3)
                return false;

            if (word.Length - suffix.Length - word.LastIndexOf(suffix) > 0)
                return MarkCheck(word.Substring(suffix.Length));

            return true;
        }

        static bool MarkCheck(string mark)
        {
            foreach(char character in mark)
            {
                if ("0123456789".IndexOf(character) == -1)
                    return true;

                if ("ABCDEFGHIJKLMNOPQRSTUVWXYZ".IndexOf(character) == -1)
                    return true;

                if ("abcdefghijklmnopqrstuvwxyz".IndexOf(character) == -1)
                    return true;
            }

            return false;
        }
    }
}