#include <iostream>

using namespace std;

class Animal{
    Personality * p;
};

class Cow: public Animal{ 
    BigBrownEyes* bbep; 
};
class Hereford: public Cow{ IceCream * icp; };

class Deer: public Animal{};

struct Node{
    Node * next;
    Animal * ap;
};

int main(){

    return 0;
}