diff --git a/05/05.py b/05/05.py
index f15c3d7..d1eb09e 100644
--- a/05/05.py
+++ b/05/05.py
@@ -6,23 +6,20 @@ import re
 maxid = 0
 ids = {}
 for line in sys.stdin:
-    rows = line[0:7]
-    seat = line[7:10]
+    rows = line[:7]
+    seat = line[7:]
 
-    rows = rows.replace('F', '0')
-    rows = rows.replace('B', '1')
-    seat = seat.replace('R', '1')
-    seat = seat.replace('L', '0')
+    rows = rows.replace('F', '0').replace('B', '1')
+    seat = seat.replace('R', '1').replace('L', '0')
 
     row = int(rows, 2)
     column = int(seat, 2)
-    seatid = row*8+column
-    #print(row, column, seatid)
+    seatid = row * 8 + column
+
     ids[seatid] = 1
     if maxid < seatid:
         maxid = seatid
 
-
 print(1, maxid)
 
 seen = 0