diff --git a/01-inline-functions/inline.cpp b/01-inline-functions/inline.cpp
index 2406686..cfba2f9 100644
--- a/01-inline-functions/inline.cpp
+++ b/01-inline-functions/inline.cpp
@@ -1,13 +1,12 @@
 #include <cstdlib>
-#include <iostream>
 
-inline void print_prog(char *prog_name)
+inline int __attribute__((always_inline)) sum(int a, int b)
 {
-	std::cout << "Program name: " << prog_name << std::endl;
+	return a + b;
 }
 
-int main(int argc, char *argv[])
+int main()
 {
-	print_prog(argv[0]);
+	int aux = sum(7,9);
 	return EXIT_SUCCESS;
 }
diff --git a/01-inline-functions/no-inline.cpp b/01-inline-functions/no-inline.cpp
index ea3cec1..336bb2e 100644
--- a/01-inline-functions/no-inline.cpp
+++ b/01-inline-functions/no-inline.cpp
@@ -1,13 +1,12 @@
 #include <cstdlib>
-#include <iostream>
 
-void print_prog(char *prog_name)
+int sum(int a, int b)
 {
-	std::cout << "Program name: " << prog_name << std::endl;
+	return a + b;
 }
 
-int main(int argc, char *argv[])
+int main()
 {
-	print_prog(argv[0]);
+	int aux = sum(7,9);
 	return EXIT_SUCCESS;
 }