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();
            char[] chars = s.toCharArray();
            int i=0;
            char[] hackerrank = {'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'};
            for (char aChar : chars) {
                if (aChar==hackerrank[i]){
                    i++;
                }
            }
            if(i==10){
                System.out.println("YES");
            }else{
                System.out.printf("NO");
            }
        }
    }
}