using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;
class Solution {
    
    static int state = 0;
    
    static bool hackerrankAutomaton(string str) {
        state = 0;
        for(int i = 0; i < str.Length; i++) {
            char ch = str[i];
            
            switch(state) {
                case 0:
                if(ch == 'h')
                    state = 1;
                break;
                case 1:
                if(ch == 'a')
                    state = 2;
                break;
                case 2:
                if(ch == 'c')
                    state = 3;
                break;
                case 3:
                if(ch == 'k')
                    state = 4;
                break;
                case 4:
                if(ch == 'e')
                    state = 5;
                break;
                case 5:
                if(ch == 'r')
                    state = 6;
                break;
                case 6:
                if(ch == 'r')
                    state = 7;
                break;
                case 7:
                if(ch == 'a')
                    state = 8;
                break;
                case 8:
                if(ch == 'n')
                    state = 9;
                break;
                case 9:
                if(ch == 'k')
                    state = 10;
                break;
            }
        }
        
        if(state == 10)
            return true;
        return false;
    }

    static void Main(String[] args) {
        int q = Convert.ToInt32(Console.ReadLine());
        for(int a0 = 0; a0 < q; a0++){
            string s = Console.ReadLine();
            if(hackerrankAutomaton(s))
                Console.WriteLine("YES");
            else
                Console.WriteLine("NO");
        }
    }
}