diff --git a/01-1-1.py b/01-1-1.py
index 07c8d80..f3308f9 100644
--- a/01-1-1.py
+++ b/01-1-1.py
@@ -1,2 +1,2 @@
 l=set(map(int,open(0)))
-print([a*b for a in l if (b:=2020-a) in l])
+print([a*b for a in l if(b:=2020-a)in l])