build: добавлен вывод разности чисел a и b

main.cpp

@@ -10,5 +10,8 @@ int main() {
     int sum = a + b;
     cout << "Sum of A and B is: " << sum << endl;
 
+    int difference = a - b;
+    cout << "Difference of A and B is: " << difference << endl;
+
     return 0;
 }