diff --git a/du6/program.c b/du6/program.c
index 3cb7c6f..ab1e5bc 100644
--- a/du6/program.c
+++ b/du6/program.c
@@ -39,13 +39,13 @@ Tree* read_tree() {
 void destroy_tree(Tree* t){
 	if(!t) return;
 	destroy_tree(t->left);
-	destry_tree(t->right);
+	destroy_tree(t->right);
 	free(t);
 }
 int count_leaves(Tree* t){
 	if(!t) return 0;
 	if(!t->left && !t->right) return 1;
-	return count_leaves(5->left) + count_leaves(t->right);
+	return count_leaves(t->left) + count_leaves(t->right);
 
 }
 void run_system(Tree* t) {
@@ -67,7 +67,7 @@ void run_system(Tree* t) {
         return;
     }
 
-    trim_newline(ans);
+    trim(ans);
 
     if (strcmp(ans, "a") == 0)
         run_system(t->left);
@@ -91,8 +91,8 @@ int main() {
     printf("Pozna %d druhov ovocia a zeleniny.\n", count);
 
     // overenie prázdneho riadku medzi databázou a vstupom používateľa
-    char empty[SIZE];
-    if (!fgets(empty, SIZE, stdin) || strcmp(empty, "\n") != 0) {
+    char empty[256];
+    if (!fgets(empty, 256, stdin) || strcmp(empty, "\n") != 0) {
         printf("Chyba: chýba prázdny riadok medzi databázou a vstupom.\n");
         destroy_tree(root);
         return 1;