diff --git a/cv8/program.c b/cv8/program.c
index b0dcdac..fe06d0f 100644
--- a/cv8/program.c
+++ b/cv8/program.c
@@ -18,11 +18,15 @@ struct tree* read_tree(){
     buffer[x-1]='\0'; 
     
     assert(r);
-        
-    struct tree* node = calloc(1,sizeof(struct tree));
     if(buffer[0] == '\0'){
-        return node;
+        return NULL;
     }
+  
+    
+    struct tree* node = calloc(1,sizeof(struct tree));
+    /*if(buffer[0] == '\0'){
+        return node;
+    }*/
     memcpy(node->value, buffer,50);
     if(buffer[0] != '*'){ 
         if(node->left == NULL){
@@ -38,12 +42,11 @@ struct tree* read_tree(){
 }
 struct tree* search(struct tree* this){
     
-    char question[30] = "Je to ovocie alebo zelenina";
+    /*char question[30] = "Je to ovocie alebo zelenina";
     if(strcmp(this->value,question) == 0){
          printf("%s\n", this->value);
-         this = search(this->left);        
-
-    }
+         this = search(this);        
+    }*/
     char c = getchar();
     char buffer[50];
     buffer[strlen(buffer)-1]='\0';
@@ -53,11 +56,11 @@ struct tree* search(struct tree* this){
     if(buffer[0] != '*'){
         if(c == 'a'){
             printf("%s\n", this->value);
-            this->left = search(this->left);
+            this = search(this->left);
         }
         else if(c == 'n'){
             printf("%s\n", this->value);
-            this->right = search(this->right); 
+            this = search(this->right); 
         } 
     
     }