import java.io.*;
import java.util.*;
import java.text.*;
import java.math.*;
import java.util.regex.*;

public class Solution {

    public static void main(String[] args) {
        char[] hackerrank = new char[] {'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'};
        Scanner in = new Scanner(System.in);
        int q = in.nextInt();
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            int p = 0;
            for(int i = 0; i < s.length() && p != hackerrank.length; i++) {
                char c = s.charAt(i);
                //System.out.println(c + " == " + hackerrank[p]);
                if (c == hackerrank[p]) {
                    p++;
                }
            }
            //System.out.println(p);
            if (p == hackerrank.length) {
                System.out.println("YES");
            } else {
                System.out.println("NO");
            }
        }
        
    }
}