1 files changed, 2 insertions, 0 deletions
diff --git a/main.c b/main.c
index 566330c..86e6362 100644
--- a/main.c
+++ b/main.c
@@ -6,4 +6,6 @@ int main(){
   printf("type in your tree(no spaces please): ");
   scanf("%[^\n]", str);
   printTree(parse(str),0);
+  
+  return 0;
 }