#!/bin/python

import sys
def pr(item):
    val = 'hackerrank'
    cur = val[0]
    s_ind = 0
    ind = -1
    l = 10
    for i, v in enumerate(item):
        if v == cur and i > ind:
            s_ind += 1
            ind = i
            if s_ind == l:
                print 'YES'
                return
            cur = val[s_ind]
    print 'NO'

q = int(raw_input().strip())
for a0 in xrange(q):
    pr(raw_input().strip())