public static void main(String[] args) {
   Scanner input = new Scanner (System.in);

   String answer= input.nextLine();
    if (answer.equalsIgnoreCase("yes"))
    {
    Boolean.valueOf(answer);
        System.out.println("YES WTF");
    }
    else if (answer.equalsIgnoreCase("no")) {
        System.out.println("NO WTF");
}
    }