#!/bin/python

import sys


q = int(raw_input().strip())
#q=1  
cnt=0
for a0 in xrange(q):
    s = "hackerrank"
    #d = "hackerworld"
    d=raw_input()
    # your code goes here
    for ins in range(len(s)-1):
        for ind in range(len(d)):
            y=s[ins]
            z=d[ind]
            if y == z:                
                cnt=cnt+1
                break
    if cnt == len(s)-1:
        print "Yes"
    else:
        print "No"