diff --git a/20/20-1.py b/20/20-1.py
old mode 100644
new mode 100755
index c5b47f2..c2a1b3b
--- a/20/20-1.py
+++ b/20/20-1.py
@@ -2,10 +2,10 @@
 # -*- coding: utf-8 -*-
 from collections import defaultdict
 
-#file = "./input.txt"
-#cheat_time = 100
-file = "./ex.txt"
-cheat_time = 25
+file = "./input.txt"
+cheat_time = 100
+#file = "./ex.txt"
+#cheat_time = 25
 
 from time import time
 from copy import deepcopy
diff --git a/20/20-11.py b/20/20-11.py
old mode 100644
new mode 100755
index d2de761..90800a3
--- a/20/20-11.py
+++ b/20/20-11.py
@@ -2,10 +2,10 @@
 # -*- coding: utf-8 -*-
 from collections import defaultdict
 
-#file = "./input.txt"
-#cheat_time = 100
-file = "./ex.txt"
-cheat_time = 25
+file = "./input.txt"
+cheat_time = 100
+#file = "./ex.txt"
+#cheat_time = 25
 
 from time import time
 from copy import deepcopy