#include <iostream>
#include <string>
#include <vector>

using namespace std;

enum SIZE  {
    S,
    M,
    L,
};

class Vehicle {
public:
    // "S", "M", "L"
    SIZE size;
    int number;

    Vehicle() {

    }

    Vehicle(SIZE s, int n) {
        size = s;
        number = n;

        // &&
        // ||
        if ((number/100000) < 1 || (number / 100000) >= 10) {
            //cout << "registracionniq nomer ne e 6 cifri" << endl;
        }
    }
};

class ParkingSpace {
private:
    SIZE size;
    int number;
    bool taken; // true (1) ; false (0)

public:
    friend class Parking;
    ParkingSpace() {
        taken = false;
        number = 0;
    }

    ParkingSpace(SIZE s) {
        size = s;
        taken = false;
        number = 0;
    }

    // name, return type, parameters, body
    void operator+(Vehicle v) {
        if (size > v.size) {
            taken = true;
            number = v.number;
        }
    }
};

class Parking {
public:
    vector<ParkingSpace> spaces;

    void totalSpaces() {
        int small = 0;
        int medium = 0;
        int large = 0;
        for (ParkingSpace space : spaces) {
            if (space.size == SIZE::S) small++;
            else if (space.size == SIZE::M) medium++;
            else if (space.size == SIZE::L) large++;
        }
        cout << small << "," << medium << "," << large << endl;
    }

        void freeSpacesBySize(SIZE s) {
            int counter = 0;

            // ||
            // &&
            for (ParkingSpace space : spaces) {
                if (space.size == s && space.taken == false) counter++;
            }

            cout << counter << endl;
        }
};

int main() {
    Vehicle v1;
    v1.size = SIZE::M;
    v1.number = 123456;
    Vehicle v2(SIZE::L, 123456);

    vector<int> n = { 2,4,6,8 };

    for (int x : n) {
        cout << x;
    }

    for (int i = 0; i < n.size(); i++) {
        cout << n[i];
    }

    Parking p;
    p.freeSpacesBySize(SIZE::M);
}