diff --git a/cv3/program.c b/cv3/program.c
index 6bb0d5f..d6dcdad 100644
--- a/cv3/program.c
+++ b/cv3/program.c
@@ -102,7 +102,7 @@ int read(struct stack *s) {
             }
             default:
                 printf("bad input\n");
-                return 1; // Continue on invalid input
+                exit(0); // Continue on invalid input
         }
     }