#!/bin/python

import sys


q = int(raw_input().strip())
for a0 in range(q):
    s = raw_input().strip()
    ans=[]
    index=[]
    for i in range (len(s)):
        if s[i]=="h" and (len(index)==0 ):
            ans.append(s[i])
            index.append(i)
            #break
    for i in range (len(s)):
        if s[i]=="a" and ((len(index)==1) and (i>index[len(index)-1])):
            ans.append(s[i])
            index.append(i)
            #reak
    for i in range (len(s)):
        if s[i]=="c" and ((len(index)==2) and (i>index[len(index)-1])):
            ans.append(s[i])
            index.append(i)
            #break
    for i in range (len(s)):
        if s[i]=="k" and ((len(index)==3) and (i>index[len(index)-1])):
            ans.append(s[i])
            index.append(i)  
            #break
    for i in range (len(s)):
        if s[i]=="e" and ((len(index)==4) and (i>index[len(index)-1])):
            ans.append(s[i])
            index.append(i)
            #break
    for i in range (len(s)):
        if s[i]=="r" and ((len(index)==5) and (i>index[len(index)-1])):
            ans.append(s[i])
            index.append(i)
            #break
    for i in range (len(s)):
        if s[i]=="r" and ((len(index)==6) and (i>index[len(index)-1])):
            ans.append(s[i])
            index.append(i)
            #reak
    for i in range (len(s)):
        if s[i]=="a" and ((len(index)==7) and (i>index[len(index)-1])):
            ans.append(s[i])
            index.append(i)
            #break
    for i in range (len(s)):
        if s[i]=="n" and ((len(index)==8) and (i>index[len(index)-1])):
            ans.append(s[i])
            index.append(i)
            #break
    for i in range (len(s)):
        if s[i]=="k" and ((len(index)==9) and (i>index[len(index)-1])):
            ans.append(s[i])
            index.append(i)  
            #break 
    if ("".join(ans)) == "hackerrank" :
        print("YES")
    else :
        print("NO")