#include <iostream>
#include <string>
using namespace std;
 
int main(int argc, char *argv[]) {
        cout << "Tec-kalkulator v0.5!" << endl;
        cout << " (cnuMod)" << endl << endl;

        while (true) {
                double tall1;
                double tall2;
                double svar;
                char tegn;

                cout << "Skriv inn ditt regnestykke: ";
                cin >> tall1 >> tegn >> tall2;
        
                switch (tegn) {
                        case '+':
                                svar = tall1 + tall2;
                                break;
                        case '-':
                                svar = tall1 - tall2;
                                break;
                        case '*':
                                svar = tall1 * tall2;
                                break;
                        case '/':
                                svar = tall1 / tall2;
                                break;
                        default:
                                cout << "NEWBZOR" << endl;
                                continue;
                }

                cout << "Svaret er: " << svar << endl << endl;
        }
        
        return EXIT_SUCCESS;
}