#include <iostream>

using namespace std;

int main()
{
    int a, b, wybor;
    cout << "Wpisz dwie liczby calkowite: ";
    cin >> a >> b;

    cout << "MENU\n";
    cout << "Wybierz opcje, ktora chcesz wybrac:\n";
    cout << "\t1 - dodawanie\n";
    cout << "\t2 - odejmowanie\n";
    cout << "\t3 - mnozenie\n";
    cout << "\t4 - dzielenie\n";
    cin >> wybor;
    switch(wybor)
    {
    case 1:
        cout << a << " + " << b << " = " << a + b << endl;
        break;
    case 2:
        cout << a << " - " << b << " = " << a - b << endl;
        break;
    case 3:
        cout << a << " * " << b << " = " << a * b << endl;
        break;
    case 4:
        cout << a << " / " << b << " = " << 1.0 * a / b << endl;
        if(b == 0)
        cout << "Nie mozna dzielic przez 0\n";
        break;
    default:
        cout << "Wybrales nieprawidlowa komende\n";
    }
   return 0;
}