public class PQTest {

  public static void main(String[] args) {

    if (args.length > 1) {
      PriorityQueue pq;
      pq = new HeapPriorityQueue(new IntegerComparator());
      for (int i=1;i<args.length;i++) pq.insert(new Integer(Integer.parseInt(args[i])), new Integer(Integer.parseInt(args[i])));
      for (int j=1;j<Integer.parseInt(args[0]);j++) pq.removeMin(); 
      System.out.println("The " + Integer.parseInt(args[0]) + "th smallest element is " + pq.removeMin());
    }      
    else {System.out.println("Usage: java PQTest <k> <elements>");}
  }
}