Inverter

class Inverter {
    public static void main(String args[]) {
        StringBuilder build = new StringBuilder();
        for (String a : args) {
            build.append(" ");
            build.append(a);
        }
        String arg = build.toString();

        StringBuilder build2 = new StringBuilder();
        for (int i = arg.length()-1; i >= 0; i--) {
            build2.append(arg.charAt(i));
        }

        System.out.println(build2.toString());
    }
}