import java.util.ArrayList;

public class Autoboxing
{
  public static void main(String[] args)
  {
    // here a wrapper must be specified for a promitive type
    ArrayList<Integer> al = new ArrayList<Integer>();

    for (int i=0; i<args.length; i++)
    {
      int clm = Integer.parseInt(args[i]);
      al.add(clm);                         // autoboxing
    }

    for (int i=0; i<al.size(); i++)
    {
      int n = al.get(i);                   // auto-unboxing
      System.out.print(n + " ");
    }
    System.out.println();
  }
}