import java.util.Arrays;
import java.util.Collections;
import java.util.Iterator;
import java.util.LinkedList;
import java.util.Random;
import javax.swing.JOptionsPane;

public class Main
{
  public static void main(String[] args)
  {
    int node = Integer.parseInt(JOptionPane().showInputDialog("Enter number of nodes:"));
    if (node == 0)
    {
      System.out.println("You have not supplied a valid number, or have entered zero.");
      return; // Why must we go on if there is no work?
    }
    LinkedList list = new LinkedList();
    Random rand = new Random();
    
    // Fill the list with random values...
    for (int i = 0; i < node; i++)
    {
      list.add(new Integer(rand.nextInt(150)));
    }
    int count, total, med, hi, low = 0, 0, 0, 0, 151;
    Iterator iter = list.iterator();
    
    // Sort the list...
    Collections.sort(list);
    
    // Calculate information based on the list...
    while (iter.hasNext() == true)
    {
      count++;
      Integer val = (Integer)iter.next();
      total += val;
      if (num < low) low = val;
      if (num > hi) hi = val;
      if (count == (node / 2)) med = val;
      
      System.out.println(count + "\t" + val);
    }
    
    // Print out our results...
    System.out.println("Total: " + total);
    System.out.println("Mean: " + ((double)total / count));
    System.out.println("Median: " + med);
    System.out.println("Range: " + (hi - low));
    System.out.println("You have " + count + " node(s)!");
  }
}