import java.util.ArrayList;
import java.util.Scanner;

public class dmopc15c5p2 {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String[] members = new String[]{"Okabe", "Mayuri", "Daru", "Kurisu"};
        String[] taglines = new String[]{"elpsycongroo", "tuturu", "superhacker", "myfork"};
        int n = scanner.nextInt();
        l1:
        for(int i = 0; i < n; ++i) {
            String line = scanner.next();
            ArrayList<String> m = new ArrayList<String>();
            for(int j = 0; j < 4; ++j) {
                if(match(line, taglines[j])) {
                    m.add(members[j]);
                }
            }
            boolean v = true;
            for(int j = 0; j < m.size(); ++j) {
                v = false;
                System.out.print((j != 0 ? " or " : "") + m.get(j));
            }
            if(v)
                System.out.println("SERN spy!");
            else
                System.out.println();
        }
    }
    public static boolean match(String line, String tagline) {
        int taglineInd = 0;
        for(int i = 0; i < line.length(); ++i) {
            if(taglineInd < tagline.length() && line.charAt(i) == tagline.charAt(taglineInd)) {
                taglineInd ++;
            }
            if(taglineInd == tagline.length()) {
                return true;
            }
        }
        return false;
    }
}