diff --git a/days/src/main/kotlin/Day05.kt b/days/src/main/kotlin/Day05.kt
index 6f24c05..8a1d794 100644
--- a/days/src/main/kotlin/Day05.kt
+++ b/days/src/main/kotlin/Day05.kt
@@ -14,12 +14,11 @@ class Day05(@Lines val input: Input<List<String>>) {
             .replace("L", "0")
             .replace("R", "1")
             .toInt(2)
-    }
+    }.sorted()
 
-    fun part1() = ids.maxOrNull()
+    fun part1() = ids.last()
 
-    fun part2() = ids.sorted()
-        .windowed(size = 2, step = 1)
+    fun part2() = ids.windowed(size = 2, step = 1)
         .find { (a, b) -> b - a > 1 }!!
         .first() + 1
 }