diff --git a/cv4/main b/cv4/main
deleted file mode 100755
index d6be8e2..0000000
Binary files a/cv4/main and /dev/null differ
diff --git a/cv6/main.c b/cv6/main.c
index dee0e23..855b153 100644
--- a/cv6/main.c
+++ b/cv6/main.c
@@ -9,9 +9,8 @@ void test_station(struct station* station) {
     char station_name[MAX_INPUT];
     int capacity;
 
-    printf("Enter station name and capacity (or 'exit' to stop):\n");
-
     while (1) {
+	printf("Enter station name and capacity (or 'exit' to stop):\n");
         printf("Station name: ");
         if (!fgets(station_name, MAX_INPUT, stdin)) break;
 
diff --git a/cv6/station b/cv6/station
deleted file mode 100755
index d47b49e..0000000
Binary files a/cv6/station and /dev/null differ
diff --git a/cv7/program.c b/cv7/program.c
index 4ba61f1..405e3f8 100644
--- a/cv7/program.c
+++ b/cv7/program.c
@@ -32,7 +32,7 @@ struct tree* load_tree() {
         node->left = load_tree();
         node->right = load_tree();
     } else if (node->left != NULL || node->right != NULL) {
-        printf("Expert z bufetu to vie.\n");
+        printf("Chybna databaza\n");
         free(node);
         return NULL;
     }
@@ -106,4 +106,4 @@ int main() {
 
     destroy_tree(root);
     return 0;
-}
\ No newline at end of file
+}