#include <iostream>
using namespace std;

int add(int x, int y) {
  return x + y;
}

int main() {
  int result = add(5, 3);
  cout << "Sum: " << result << "\n";
  cout << "Direct: " << add(10, 20) << "\n";
  return 0;
}

// Outputs:
// Sum: 8
// Direct: 30