#include <iostream>

using namespace std;

int main()
{
    int a, b;
    cout << " Podaj pierwsza liczbe \n";
        cout << "\t"; cin>> a;

    cout << " Podaj druga liczbe\n";
        cout << "\t"; cin>> b;

    cout<< " Jakie działanie chcesz wykonac?\n";

    int liczba;

    cout<< " 1 - dodawanie \n 2 - odejmowanie \n 3 - mnozenie \n 4 - dzielenie \n\n";

    cout << "\t"; cin>> liczba;
    cout<< "\n";               // wprowadzanie numeru dzialania

    switch (liczba)
    {
    case 1:
        cout << "Dodawanie";
        cout << "\t"; cout << a; cout << "+"; cout << b; cout << "="; cout << a+b; cout << "\n";
        break;
    case 2:
        cout << "Odejmowanie";
        cout << "\t"; cout << a; cout << "-"; cout << b; cout << "="; cout << a-b; cout << "\n";
        break;
    case 3:
        cout << "Mnozenie";
        cout << "\t"; cout << a; cout << "*"; cout << b; cout << "="; cout << a*b; cout << "\n";
        break;
    case 4:
        cout << "Dzielenie";
        cout << "\t"; cout << a; cout << "/"; cout << b; cout << "="; cout << a/b; cout << "\n";
        break;
    }
    return 0;
}