#include <iostream>

using namespace std;

int main() {

    setlocale(LC_ALL, "ru");

    int month_number, day_number;

    cout << "Введите номер месяца: ";
    cin >> month_number;

    cout << "Введите номер дня: ";
    cin >> day_number;

    int sunday = 8 - day_number;

    int days_count = 31;

    if (month_number == 4 || month_number == 6 || month_number == 9 || month_number == 11) {
        days_count = 30;
    }
    if (month_number == 2) {
        days_count = 28;
    }

    cout << "\tMo\tTu\tWe\tTh\tFr\tSa\tSu" << endl;

    for (int i = 1; i < day_number; i++) {
        cout << "\t_";
    }

    for (int i = 1; i <= days_count; i++) {
        cout << "\t" << i;
        if (i == sunday) {
            cout << endl;
            sunday += 7;
        }
    }
    cout << endl;
}