diff --git a/others/planck.py b/others/planck.py
index 176c133..bcf02b5 100644
--- a/others/planck.py
+++ b/others/planck.py
@@ -240,6 +240,9 @@ add_uint_operator('^', operator.xor)
 add_int_operator('<', operator.lt)
 add_uint_operator('u', operator.lt)
 add_uint_operator('=', operator.eq)
+add_uint_operator('(', operator.lshift)
+add_uint_operator(')', operator.rshift)
+add_int_operator('%', operator.rshift)
 def argv():
     push(ARGV_ADDR)
     push(len(sys.argv))