diff --git a/cv7/program b/cv7/program
new file mode 100755
index 0000000..3b65274
Binary files /dev/null and b/cv7/program differ
diff --git a/cv7/program.c b/cv7/program.c
index 5ba5b06..7ef48a9 100644
--- a/cv7/program.c
+++ b/cv7/program.c
@@ -76,6 +76,7 @@ void run_expert_system(Node *node) {
     }
 }
 
+
 void free_tree(Node *node) {
     if (node) {
         free_tree(node->yes);