class SuperClass{
  private int n;
  //SuperClass(){
  //  System.out.println("SuperClass()");
  //}
  SuperClass(int n){
    System.out.println("SuperClass(int n)");
    this.n = n;
  }
}
class SubClass extends SuperClass{
  private int n;
  
  SubClass(){
    super(300);
    System.out.println("SuperClass");
    
  }  
  SubClass(int n){
    System.out.println("SubClass(int n):"+n);
    this.n = n;
  }
}
public class TestSuperSub{
  public static void main (String args[]){
    //SubClass sc = new SubClass();
    SubClass sc2 = new SubClass(200); 
  }
}