#!/bin/python3

import sys
import re


q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    # your code goes here
    m = re.search('([hH]\w*[aA]\w*[cC]\w*[kK]\w*[rR]\w*[rR]\w*[aA]\w*[nN]\w*[kK])', s)
    if m:
        print('YES')
    else:
        print('NO')