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();
            String b="hackerrank";
            Pattern p=Pattern.compile("h[b-z]*a[abd-z]*c[a-jl-z]*k[a-df-z]*e[a-qs-z]*r[a-qs-z]*r[b-z]*a[a-mo-z]*n[a-jl-z]*k");
            Matcher m=p.matcher(s);
                if(m.find())
                {
                System.out.println("YES");
            }
            else
                {
                System.out.println("NO");
            }
        }
    }
}