import java.util.Scanner;

/**
 * @author Cristian
 *
 */
public class Solution
{
	    /**
	     * Gets data from the dictionary file
	     */
	    private Scanner input = null;
	  
	    /**
	     * Start the execution of the solution
	     * @param args Command line arguments
	     */
	    public static void main(String args[])
	    {
	       Solution solution = new Solution();
	       solution.run();
	    }
	  
	    /**
	     * Run the solution. This method is called from main()
	     */
	    public void run()
	    {
	                
          this.input = new Scanner(System.in);
          
         
          DisorderBinaryTree tree = new DisorderBinaryTree();
 
          // Read the data
          while ( this.input.hasNextInt() )
          {
             // Read the number
             int number = this.input.nextInt();
             
             // Insert the number given into the three
             tree.insert(number);
          }
            
          // Close the standard input
          this.input.close();	     
	 }
	     
}