diff --git a/src/subtraktion.c b/src/subtraktion.c
index 8fe493d..732df5e 100644
--- a/src/subtraktion.c
+++ b/src/subtraktion.c
@@ -1 +1,7 @@
 #include "subtraktion.h"
+#include <stdio.h>
+#include <stdlib.h>
+
+int main() {
+    return 0;
+}
\ No newline at end of file