#include <iostream>

using namespace std;

int aRe, aIm, bRe, bIm;

int additionRe(int aRe, int bRe)
{
    return (aRe + bRe);

}

int additionIm(int aIm, int bIm)
{
    return (aIm + bIm);

}

int main()
{
    int operation = 0;

    do
    {
       cout << "***************************************\n";
       cout << "**  COMPLEX NUMBERS TOOL MENU        **\n";
       cout << "**                                   **\n";
       cout << "** 1.  Addition                      **\n";
       cout << "** 2.  Substraction                  **\n";
       cout << "** 3.  Multiplication                **\n";
       cout << "** 4.  Division                      **\n";
       cout << "**                                   **\n";
       cout << "** 5.  Exit                          **\n";
       cout << "***************************************\n";
       cout << "Choose operation from the menu: ";
       cin >> operation;
       cout << endl;



       switch(operation)
       {
           case 1: cout << "a(Real part) = "; cin >> aRe;
                   cout << "a(Imaginery part) = "; cin >> aIm;
                   cout << "b(Real part) = "; cin >> bRe;
                   cout << "b(Imaginary part = "; cin >> bIm;
                   system("CLS");
                   cout << "(" << aRe << "+(" << aIm << "i)) + (" << bRe << "+(" << bIm << "i)= " << additionRe(aRe, bRe) << " " << additionIm(aIm, bIm) << "i" << endl; break;
           case 2:;
           case 3:;
           case 4:;
           case 5: ;
           default:;
       }



    } while (operation != 5);

    system("PAUSE");
    return EXIT_SUCCESS;
}