diff --git a/buggy.py b/buggy.py
--- a/buggy.py
+++ b/buggy.py
@@ -13,6 +13,6 @@
 if 2 < len(count.values()):
     print("No")
 elif a[0] == 3 or a[1] == 3:
-    print("YES")
+    print("Yes")
 else:
     print("No")
