diff --git a/u8/program.py b/u8/program.py
index 65434cd..7c0b2e7 100644
--- a/u8/program.py
+++ b/u8/program.py
@@ -43,6 +43,7 @@ def pocet_nodov(node):
 def main():
   danii = sys.stdin.read()
   if not danii:
+    print("Expert zo zoo to vie.")
     print("Chybna databaza")
     return