import java.util.*; 
 
abstract class Prob04{ 
  public static void main(String[] args){ 
    Random generator =  
        new Random(new Date().getTime()); 
    int randomNumber =  
        (byte)generator.nextInt(); 
 
    Prob04 objRef =  
        new Prob04MyClass(randomNumber); 
     
    System.out.println(objRef); 
    System.out.println(objRef.getData()); 
    System.out.println(randomNumber); 
  }//end main 
 
  //Declare the signature of an 
  // abstract class. 
  public abstract int getData(); 
 
}//end class Prob04