public class Subset
{

  public static void main(String[] args) {
  RandomizedQueue<String> queue = new RandomizedQueue<String>();
  int k=Integer.parseInt(args[0]);
  for (int i=0; !StdIn.isEmpty(); i++){
    queue.enqueue(StdIn.readString());
  }

  for (String s : queue){
     if (k-- == 0) break;
     StdOut.println(s);
  }
}
}