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();
        int index = -1;
        char hackArray[] = {'h','a','c','k','e','r','r','a', 'n', 'k'};
        for(int a0 = 0; a0 < q; a0++){
            String s = in.next();
            // your code goes here
            
            for (char c : hackArray){
                index = s.indexOf(c);
                if (index < 0){                    
                    break;
                }
                if (s.length() > index ) {
                    s = s.substring(index + 1);                
                } else {
                    index = -1;
                    break;
                }
                
            }
            if (index < 0) {
                System.out.println("NO");
            } else{
                System.out.println("YES");
            }
        }
    }
}