import java.util.*;
import java.util.regex.*;
import java.lang.String;

class HackerrankString{


	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);

		String test = new String("hackerrank");
		
		int t = sc.nextInt();

		while(t>0)
		{
			String sb = new String(sc.next());

			//System.out.println(sb);
			
			if(Pattern.matches(".*h.*a.*c.*k.*e.*r.*r.*a.*n.*k.*",sb))
				System.out.println("YES");
			else
				System.out.println("NO");

			t--;
		}	

	}

}