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();
        char[] needle = { 'h', 'a', 'c', 'k', 'e', 'r', 'r', 'a', 'n', 'k'};
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            boolean found = false;
            int needleIndex = 0;
            for (int i = 0; i < s.length(); i++) {
                char c = s.charAt(i);
                if (c == needle[needleIndex]) {
                    needleIndex++;
                    if (needleIndex == needle.length) {
                        found = true;
                        break;
                    }
                }
            }
            System.out.println(found ? "YES" : "NO");
        }
    }
}