import java.util.Iterator;
public class iter2 {
    public static void main(String [] args) {
        TreeTable<Integer,Integer> t=new TreeTable<Integer,Integer>();;
        for (int i=0; i<args.length; i++) {
            Integer a=Integer.parseInt(args[i]);
            System.out.print(a+" ");
            t.put(a,0);
        }
        System.out.print(" =>  ");
        for (Integer k: t) {
            System.out.print(k+" ");
        }
        System.out.println("");
    }
}