diff --git a/src/main/c/Mathe.c b/src/main/c/Mathe.c
index e2cc0b4..19f5a57 100644
--- a/src/main/c/Mathe.c
+++ b/src/main/c/Mathe.c
@@ -10,3 +10,6 @@ int generiereZufallszahl(int min, int max);
 
 //4
 char generiereZufallsOperator();
+
+//5
+int addiere(int zahl1, int zahl2);
\ No newline at end of file