hnt

import java.util.*;

public class Main {
    static String qwerty(String stroka) {
        stroka.trim();
        String [] slova= stroka.split(" ");
        StringBuilder luchshe = new StringBuilder();
        for (int a = 0; a<slova.length; a++){
            if(!slova[a].equals("")  && a != slova.length-1){
                if()
            }
            else if (!slova[a].equals("")  && a == slova.length-1){
                luchshe.append("Грут");
            }
        }String grut = luchshe.toString();
        return grut;
    }

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        String stroka = in.nextLine();
        System.out.println(qwerty(stroka));
    }
}