diff --git a/day09.kts b/day09.kts
new file mode 100755
index 0000000..f2c39a7
--- /dev/null
+++ b/day09.kts
@@ -0,0 +1,10 @@
+#!/usr/bin/env kotlin
+import java.lang.RuntimeException
+import java.util.Scanner
+
+val scanner = Scanner(System.`in`)
+if (!scanner.hasNext()) {
+    throw RuntimeException("No input given.")
+}
+val fileSystem = scanner.nextLine().split("").filter { it.isNotEmpty() }.map { it.toInt() }.toMutableList()
+