diff --git a/2020-python/solutions/day_5.py b/2020-python/solutions/day_5.py
index b3a9c31..e2d7f4a 100644
--- a/2020-python/solutions/day_5.py
+++ b/2020-python/solutions/day_5.py
@@ -10,15 +10,11 @@ def read_input(input_path: str) -> list:
         seats = list()
         for entry in entries:
             entry = entry.strip()
-            row = ''.join(['0' if letter == 'F' else '1' for letter in entry[:7]])
-            column = ''.join(['0' if letter == 'L' else '1' for letter in entry[-3:]])
-            seat = int(row, 2) * 8 + int(column, 2)
+            seat = int(''.join(['0' if letter in 'FL' else '1' for letter in entry]), 2)
             seats.append(seat)
         seats.sort()
         return seats
 
-
-
 def part1(entries: list) -> int:
     """part1 solver take a list of strings and return an int"""
     return max(entries)
@@ -39,6 +35,5 @@ def main():
     end_time = time.time()
     print("Execution time: %f" % (end_time-start_time))
 
-
 if __name__ == "__main__":
     main()