diff --git a/2022/d03/ex1/ex1.py b/2022/d03/ex1/ex1.py
index 0584617..95f341f 100755
--- a/2022/d03/ex1/ex1.py
+++ b/2022/d03/ex1/ex1.py
@@ -14,7 +14,7 @@ def solve(input: list[str]) -> int:
 
 
 def main() -> None:
-    input = sys.stdin.readlines()
+    input = sys.stdin.read().splitlines()
     print(solve(input))