public static String hackerrankInString(String s) {
    String str = "hackerrank";
    int i = 0; // Pointer for the "hackerrank" string

    for (int j = 0; j < s.length(); j++) {
        if (i < str.length() && str.charAt(i) == s.charAt(j)) {
            i++; // Move the pointer for "hackerrank"
        }
        if (i == str.length()) { // Check if all characters of "hackerrank" are found
            return "YES";
        }
    }

    return "NO"; // If the loop ends and "hackerrank" is not fully matched
}