#include <cstdlib>
#include <iostream>
#include <windows.h>
#include <string>
#include <cctype>
#include <algorithm>

using namespace std;

int main(int argc, char *argv[])

{
    string sSvar1;
    int tall1;
    int tall2;
    int tall3;
    int tall4;
    int sum;
    cout << "Tec-kalkulator v.1!" << endl << endl << "Velg + eller -" << endl;
    cin >> sSvar1;
           if (sSvar1 == "+") {
                      cout << "Skriv inn to heltall med mellomrom mellom" << endl;
                      cin >> tall1 >> tall2;
                      sum = tall1 + tall2;
                      }
                      if (sSvar1 == "-") {
                                 cout << "Skriv inn to heltall med mellomrom mellom" << endl;
                                 cin >> tall1 >> tall2;
                                 sum = tall1 - tall2;
                                 }
    
    cout << endl << "Summen blir: " << sum << endl;
    system("PAUSE");
    return 0;
}