Lesson 2.2.

main.cpp

@@ -1,11 +1,25 @@
 #include <iostream>
 
-int test();
+int promptNumber(const char*);
+void addSubTwoNumbers();
 
 int main()
 {
-    std::cout << test();
+    std::cout << "Add and Subtract 2 Numbers:\n\n";
+    addSubTwoNumbers();
+    return 0;
 }
 
-int test() {
+int promptNumber(const char* prompt) {
+    int toReturn {};
+    std::cout << prompt;
+    std::cin >> toReturn;
+    return toReturn;
+}
+
+void addSubTwoNumbers() {
+    int num1 {promptNumber("Enter a integer: ")};
+    int num2 {promptNumber("Enter another integer: ")};
+    std::cout << num1 << " + " << num2 << " = " << num1 + num2 << "\n";
+    std::cout << num1 << " - " << num2 << " = " << num1 - num2 << "\n";
 }