import java.util.Scanner;

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[] charArr = s.toCharArray();
			char[] hackerRankStr = new char[] { 'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k' };
			int i = 0;
			for (char c : charArr) {
				if (c == hackerRankStr[i]) {
					i++;
				}
				if (i == 10) {
					break;
				}
			}
			if (i == 10) {
				System.out.println("YES");
			} else {
				System.out.println("NO");
			}
		}
		in.close();
	}
}