diff --git a/du5/program.c b/du5/program.c
index 3d79476..395345b 100644
--- a/du5/program.c
+++ b/du5/program.c
@@ -87,7 +87,7 @@ void goThroughTheTree(int rootIndex)
         {
             current = tree[current].no;
         } 
-        else if (input == '0')
+        else if (input != 'n' || input != 'a')
         {
             printf("Nerozumiem\n");
             return;