public class CRC {
    public static void main(String[] args) {
        try {
            if (args.length == 1){
                Encoding tmp = new Encoding(args[0]);
                System.out.println(args[0] + tmp.getFcsChars());
            } else if (args.length == 3){
                String tmp = args[0] + Character.toString((char) Integer.parseInt(args[1])) + Character.toString((char) Integer.parseInt(args[2]));
                Decoding d = new Decoding(tmp);
                System.out.println(d.getCheck());
            }
        } catch (ArrayIndexOutOfBoundsException e){
            System.out.println("Za mało argumentów");
        }
    }
}