#include <iostream>
// Step 1: Declare a function prototype for the custom function.
int addNumbers(int a, int b);
int main() {
// Step 2: Declare variables to store user input.
int num1, num2;
// Step 3: Prompt the user to enter the first number and store it.
std::cout << "Enter the first number: ";
std::cin >> num1;
// Step 4: Prompt the user to enter the second number and store it.
std::cout << "Enter the second number: ";
std::cin >> num2;
// Step 5: Call the custom function to add the two numbers and store the result.
int sum = addNumbers(num1, num2);
// Step 6: Display the result to the user.
std::cout << "Sum: " << sum << std::endl;
// Step 7: Return 0 to indicate successful program execution.
return 0;
}
// Step 8: Define the custom function to add two numbers.
int addNumbers(int a, int b) {
// Step 9: Add the two numbers and return the result.
return a + b;
}