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

  #include 
   static int Result;
   class Fresher
   {
      public: 
      void Change(int x = 10, int y = 20, int z = 30)   
      {       
         coutvoid Display(int x = 40, float y = 50.00)    
      {     
          Result = x % x;       
          coutclass Gate
  {
       int x, y;   
       public:     
       void Change(int x, int y = 50)    
      {        
        coutclass Freshergate: public Fresher, public Gate
  {    
      public:   
      void Display(int x = 10, int xx = 100, int xxx = 1000)   
      {       
         Result = x + xx % x * x;     
         coutint main()
 {    
     Fresher objGate;    
     objGateFresher::Display(10, 20.00);  
     return 0;  
 }