// Задание 4.5
// Анастасия Коржилова
// Вывести на дисплей календарь на выбранный месяц с учетом указанного номера дня недели для начала месяца. Определить количество выходных в заданном месяце.

#include <iostream>;

using namespace std;

int main() {

    int month, start, counter = 0;
    cout << " Enter the number of the month (1-12): ";
    cin >> month;

    cout << " Enter the number of the day the month starts with (1-7): ";
    cin >> start;
    cout << "\n\t\t\t\t";

    switch (month)
    {
    case 1:
        cout << " January" << endl;
        break;
    case 2:
        cout << " February" << endl;
        break;
    case 3:
        cout << " March" << endl;
        break;
    case 4:
        cout << " April" << endl;
        break;
    case 5:
        cout << " May" << endl;
        break;
    case 6:
        cout << " June" << endl;
        break;
    case 7:
        cout << " July" << endl;
        break;
    case 8:
        cout << " August" << endl;
        break;
    case 9:
        cout << " September" << endl;
        break;
    case 10:
        cout << " October" << endl;
        break;
    case 11:
        cout << " November" << endl;
        break;
    case 12:
        cout << " December" << endl;
        break;
    default:
        cout << "Please, try again!" << endl;
        break;
    }

    cout << "\n\t Mon \t Tues \t Wed \t Thurs \t Fri \t Sat \t Sun \n";

    for (int i = 1; i <= start; i++) {
        cout << "\t";
    }
    cout << " ";
    int daysInMonth = 31;

    if (month % 2 != 0) {
        daysInMonth = 31;
    }
    else if (month % 2 == 0 && month != 2) {
        daysInMonth = 30;
    }
    else if (month == 2) {
        daysInMonth = 28;
    }

    for (int i = 1; i <= daysInMonth; i++) {
        if (start % 7 == 0) {
            cout << i << "\n\t ";
            counter++;
            start++;
        }
        else {
            cout << i << "\t ";
            if ((start + 1) % 7 == 0) {
                counter++;
            }
            start++;
        }
    }

    cout << "\n\n There are " << counter << " weekends this month." << endl;

    return 0;
}