code: add razn

main.cpp

@@ -6,5 +6,8 @@ int main()
 {
 cout << "Enter A and B: ";
 int a, b;
-cin >> a + b >> ;
+cin >> a >> b ;
+cout << "A + B = " << a + b << '\n'
+     << "A - B = " << a - b << '\n';
+
 }