diff --git a/buggy.py b/buggy.py
--- a/buggy.py
+++ b/buggy.py
@@ -3,7 +3,7 @@
 while a > 0 and b > 0:
     if (a % 10) + (b % 10) >= 10:
         print("Hard")
-        break
+        exit()
     a //= 10
     b //= 10
 
