#! python3
import re

q = int(input())
queries = []
for i in range(q):
    x = input()
    queries.append(x)


def find_hackerrank(raw_str):
    expression = re.compile(".*h.*a.*c.*k.*e.*r.*r.*a.*n.*k")
    ho = re.findall(expression, raw_str)
    if len(ho) > 0:
        print("YES")
    else:
        print("NO")

for i in queries:
    find_hackerrank(i)