B-2

main.cpp

@@ -1,5 +1,11 @@
 #include <iostream>
+int sum(int a, int b) {
+    return a + b;
+}
 int main() {
-    std::cout << "Hello, World!" << std::endl;
+    int x, y;
+    std::cout << "Enter two numbers: ";
+    std::cin >> x >> y;
+    std::cout << "Sum: " << sum(x, y) << std::endl;
     return 0;
 }