#include<iostream>
using namespace std;


class Dog
{
public:
 void Bark();
 void Eat(float foodQuantity);
 // You will have to define Walk in class
 // it will cause the dog to change its
 // location
 float size, weight, location;
};


int main()
{
 Dog fido;
 fido.weight=40.5;
 fido.size=10;
 fido.Eat(20);
 cout << fido.weight << " "
      << fido.size  << endl;
 return 0;
}


void Dog::Bark()
{
 cout << "Woof woof!\n";
}


void Dog::Eat(float foodQuantity)
{
 weight+=foodQuantity;
 size+=foodQuantity;
}