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 n = in.nextInt();
		 char[] hackerRankCharArray = {'h','a','c','k','e','r','r','a','n','k'};
		 for(int i=0;i<n;i++){
			 String isFound = "";
			 char[] queryArray = in.next().toCharArray(); 
			 int count = 0;
			 for(char c: queryArray){
				 if(c == hackerRankCharArray[count]){
					 count++;
				 }
			 }
			 System.out.println(count-1 == 9?"YES":"NO");
		 }
    }
}