// Insert at head of list.... very simple...

import java.io.*;

class ListElement
{
   int value;
   ListElement next;
}

class Linklist1
{

   // Insert(head, newelem):
   // input: head points to the first element of a list
   //        newelem points to a new element
   // output: insert newelem at the beginning of the list
   //         and return the pointer to the next starting element
   //
   static ListElement Insert(ListElement head, ListElement newelem)
   { 
      newelem.next = head;
      return(newelem);
   }
 


   public static void Print(ListElement head)
   {
      while (head != null)
       { System.out.print(head.value + " ");
         head = head.next;
       }
      System.out.println();
   }

   public static void main(String[] args) throws IOException
    {
      BufferedReader stdin = new BufferedReader
                         (new InputStreamReader(System.in));
      ListElement head, ptr;

      head = null;    // Start with an empty list....
      while(true)
       { 
	 ptr = new ListElement();          // Make a new list element

         System.out.print("Enter number: ");
         ptr.value = Integer.parseInt(stdin.readLine());

         head = Insert(head, ptr);         // Insert into list

         System.out.print("List: ");
         Print(head);
         System.out.println();
       }
    }
}