output summ A and B, Pause before exit code

main.cpp

@@ -4,7 +4,14 @@ using namespace std;
 
 int main()
 {
-    cout << "Enter A and B";
-    int a, b;
+    cout << "Enter A and B: " << endl;
+    int a, b, sum;
     cin >> a >> b;
+    sum = a + b;
+    cout << "Sum of A and B: " << sum << endl;
+
+    std::cout << "Press 'Enter' for exit...";
+    std::cin.ignore(); // èãíîðèðóåì ñèìâîë íîâîé ñòðîêè èç ïðåäûäóùåãî ââîäà
+    std::cin.get();
+    return 0;
 }