1.cpp

@@ -8,4 +8,15 @@ int main() {
     std::cin >> num;
     std::cout << "Factorial: " << factorial(num) << std::endl;
     return 0;
+}
+#include <iostream>
+int sum(int a, int b) {
+    return a + b;
+}
+int main() {
+    int x, y;
+    std::cout << "Enter two numbers: ";
+    std::cin >> x >> y;
+    std::cout << "Sum: " << sum(x, y) << std::endl;
+    return 0;
 }