#!/bin/python3

import sys
import re

matchobj = re.compile(r'\w*h\w*a\w*c\w*k\w*e\w*r\w*r\w*a\w*n\w*k\w*') 
q = int(input().strip())
for a0 in range(q):
    s = input().strip()
    # your code goes here
    result = matchobj.match(s)
    if result is None:
        print("NO")
    else:
        print("YES")