def hackerrankInString(s):
    # Write your code here
    compare_to = "hackerrank"
    input_word = [] 
    index = 0
    for c in s:
        if len(input_word) != len(compare_to):  
            if c == compare_to[index]:
                input_word.append(c)
                index += 1
    if "".join(input_word) == compare_to:
        return "YES"
    else:
        return "NO"