diff --git a/02-2-1.py b/02-2-1.py
index 09258ad..a7e274f 100644
--- a/02-2-1.py
+++ b/02-2-1.py
@@ -1,4 +1,4 @@
 def f(d,e,f):
  a,b=*map(int,d.split('-'))
  return (f[a-1]==e[0])^(f[b-1]==e[0])
-print(sum(f(*x.split()) for x in open(0)))
+print(sum(f(*x.split())for x in open(0)))