import java.util.Vector;
public class PermsInt {
    public static void main(String[] args) {
        Perms <Integer> p = new Perms <Integer>();
        Vector <Integer> things = new Vector <Integer>();
        for (int i=0; i<args.length; i++) {
            things.add(Integer.parseInt(args[i]));
        }
        for(Vector<Integer> sset : p.permute(things)) {
            for (Integer s : sset) {
                System.out.print(s+" ");
            }
            System.out.println();
        }
    }
}