#include <iostream>
#include <cmath>

using namespace std;

struct vec3d {
    float x, y, z;
    void print(){
        cout << x << " " << y << " " << z << endl;
    }
    vec3d add (vec3d a){
        vec3d b;
        b.x=x+a.x;
        b.y=y+a.y;
        b.z=z+a.z;
        return b;
    }
};

#include <string>
/*
struct Dog {
    //properties
    string name;
    bool home;
    // constructors
    Dog(string name_) {
        name = name_;
        home = true;
    }
    Dog() {
        name = "Homeless";
        home = false;
    }
    // methods
    void bark(){
        if (home) {
            cout << "Woof! My name is " << name << endl;
        }
        else {
            cout << "Woof! I am homeless" << endl;
        }
    }
};
*/
struct Cat {
    string name;
    Cat (string name_){
        name = name_;
    }
    void m(){
        cout << " "
    }
};

int main(int argc, char *argv[]){
    /*
    vec3d a;
    a.x = 4;
    a.y = 1;
    a.z = 9;
*/
    Dog d("Dusty");
    d.bark();
    Dog f("Fluffy");
    f.bark();
    Dog g;
    g.bark();
}