diff --git a/springer.c b/springer.c
index 99da90d..fa026da 100644
--- a/springer.c
+++ b/springer.c
@@ -1,4 +1,7 @@
 /* Lösung des Springerproblems */
+#include <stdlib.h>
+#include <stdio.h>
+
 
 #define GROESSE 6