Which of the following statement is correct about the program given below?

  #include
   class GateBase
  {   
       int x, y;    
       public:    
       GateBase(int xx = 10, int yy = 10)   
       {       
            xx= xx;      
            y = yy;     
        }     
        void Show()   
        {    
           coutclass GateDerived : public GateBase 
    {
       private:   
          GateBase objBase;  
       public:   
       GateDerived(int xx, int yy) : GateBase(xx, yy), objBase(yy, yy)     
       {         
          objBase.Show();     
       }
    };
    int main()
    {    
        GateDerived objDev(10, 20);   
        return 0;  
    }