#include <iostream>
#include <string>

using namespace std;

class Animal {
   public:
      void Eat() {
         cout << " an animal is eating, nom nom nom" << endl;
      }
      void Add(int amt) {
         i += amt;
      }
      int Get() {
         return i;
      }
   private:
      int i{0};
};

class Owl: public virtual  Animal {
   public:
      void Screech () {
          cout << "An owl is screaching " << endl ;
      }
};

class Bear: public virtual  Animal {
   public: 
       void Growl (){
          cout << "A bear is growling " << endl;
       }
};

class OwlBear: public Owl, public Bear {
    public:
       void Vocalize() {
           cout << "\t";
           Screech();
           cout << "\t";
           Growl();
       }
       void Confusion() {
           Owl::Add(5);
           Bear::Add(100);
           cout << "The owl side thinks the value is " << Owl::Get() << endl;
           cout << "The bear side thinks the value is " << Bear::Get() << endl;
       }
};

int main() {
    Owl owl;
    Bear bear;
    OwlBear owlBear;

    owl.Screech();
    owl.Eat();
    bear.Growl();
    bear.Eat();

    owlBear.Vocalize();
    owlBear.Screech();
    owlBear.Growl();
    owlBear.Eat();
    //
    owlBear.Confusion();

    return 0;
}