diff --git a/c-basic/main.c b/c-basic/main.c
index fcdb9aa..a6606cc 100644
--- a/c-basic/main.c
+++ b/c-basic/main.c
@@ -1,10 +1,11 @@
-#include "foo.h"
+#include "myprint.h"
 
 int main() {
 
-  foo();
+  myprint();
 
   return 0;
 
 }
 
+
diff --git a/c-basic/myprint.c b/c-basic/myprint.c
new file mode 100644
index 0000000..5945aa2
--- /dev/null
+++ b/c-basic/myprint.c
@@ -0,0 +1,13 @@
+#include <stdio.h>
+#include "myprint.h"
+
+int myprint() {
+ 
+  int a = 10, b = 20;
+
+  printf("a = %d, b = %d\n", a, b);
+  printf("a = %d, b = %d\n", b, a);
+  printf("%d%d\n", a, b);
+
+  return 0;
+}
diff --git a/c-basic/myprint.h b/c-basic/myprint.h
new file mode 100644
index 0000000..9fcc774
--- /dev/null
+++ b/c-basic/myprint.h
@@ -0,0 +1,6 @@
+#ifndef MYPRINT_H
+#define MYPRINT_H
+
+int myprint();
+
+#endif