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();
            s.toLowerCase();
            char[] c = {'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'};
            int k =0;
            for(int i=0; i< s.length(); i++){
                if(c[k] == s.charAt(i))
                    k++;
                if(k>=c.length)
                    break;
            }
            System.out.println(k >= c.length ? "YES" :"NO");
        }
    }
}