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 s = new Scanner(System.in);

		int numLines = Integer.parseInt(s.nextLine());

		char[] wanted = { 'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k' };

		while (s.hasNextLine()) {
			char[] word = s.nextLine().toCharArray();

			int ndx = 0;
			boolean yes = false;
			for (int i = 0; i< word.length;i++){
				if (word[i]==wanted[ndx]){
					ndx++;
					if (ndx>=10){
						System.out.println("YES");
						yes=true;
						break;
					}
						
				}
				
			}
			if(!yes){
			System.out.println("NO");
			}
		}
    }
}