import java.io.*;
import java.util.*;
public class Topology {
    public static void readNeighbors(int myId,
                                     LinkedList<Integer> neighbors) {
        System.out.println("Reading topology");
        try {
            Scanner sc = new Scanner(new FileReader("topology" + myId));
            while (sc.hasNext()) {
                int neighbor = sc.nextInt();
                neighbors.add(neighbor);
            }
        } catch (FileNotFoundException e) {
                System.err.println(e);
        } catch (IOException e) {
            System.err.println(e);
        }
        System.out.println(neighbors.toString());
    }
    public static void main(String [] args) {
     LinkedList<Integer> l = new LinkedList<Integer>();
     Topology.readNeighbors(Integer.parseInt(args[0]),l);
    }
}