#!/bin/python3

import sys

hackchars = [ 'h', 'a','c','k','e','r','n','k']
hackstring = "hackerrank"
q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    s1=""
    for char in s:
        if char in hackchars: s1 += char
    hackindex = 0
    count=0
    while hackindex < len(hackstring):
        if (hackstring[hackindex] in s1):
            s1loc = s1.index(hackstring[hackindex])+1
            s1=s1[s1loc:]
            count+=1
        hackindex+=1
    if (count==10): 
        print("YES")
    else:
        print("NO")