4)int main()
{
int a, b, c, h, text;
        double S;
 cout << "Enter a: ";
 cin >> a;
 cout << "Enter b: ";
 cin >> b;
 cout << "Enter c: ";
  cin >> c;
 cout << "n";
 if ((a + b) > c) if ((a + c) > b) if ((b + c) > a) cout << "suchestvuetn";
 else cout << "ne suchestvuetn";
 {
   cout << "Vichislit' S? " << "1 - yes. 0 - no.n";
  cin >> text;
   if (text == 1) {
   cout << "Enter h: ";
   cin >> h;
    S = a * h * 0.5;
   cout << "S = " << S << endl;
  } else cout << "Exit" << endl;
 } return 0;
 }