diff --git a/du3/program.c b/du3/program.c
index 7c31687..8290c74 100644
--- a/du3/program.c
+++ b/du3/program.c
@@ -82,5 +82,5 @@ int main() {
         }
     }
     printf("no input\n");
-    return 1;
+    return 0;
 }
\ No newline at end of file