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What will be the output of the following program?

  #include
  class Freshergate
  {    
       public:   
       int x, y;   
       Freshergate(int xx = 10, int yy = 20)    
      {          
           x = xx;       
           y = yy;   
     }   
       void Exchange(int *, int *); 
  }; 
  int main() 
  {    
     Freshergate objA(30, 40);   
     Freshergate objB(50);      
     objA.Exchange(&objA.x, &objB.y);      
     cout" "  
     return 0; 
 }
 void Fresherate::Exchange(int *x, int *y)
 {   
       int t;  
       t  = *x;    
       *x = *y;    
       *y = t ;  
}