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) {
        Scanner in = new Scanner(System.in);
        int q = in.nextInt();
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            // your code goes here
            if (containsHackerrank(s)) {
                System.out.println("YES");
            } else {
                System.out.println("NO");
            }
        }
    }
    
    public static boolean containsHackerrank(String in) {
        List<Character> hackerrank = new ArrayList();
        hackerrank.add('h');
        hackerrank.add('a');
        hackerrank.add('c');
        hackerrank.add('k');
        hackerrank.add('e');
        hackerrank.add('r');
        hackerrank.add('r');
        hackerrank.add('a');
        hackerrank.add('n');
        hackerrank.add('k');
        
        for (int i = 0; i < in.length(); i++) {
            if (hackerrank.isEmpty()) {
                break;
            } else {
                            if (in.charAt(i) == hackerrank.get(0).charValue()) {
                hackerrank.remove(0);
            }
            }
        }
        
        return hackerrank.isEmpty();
    }
}