diff --git a/src/day5.clj b/src/day5.clj
new file mode 100644
index 0000000..b467b74
--- /dev/null
+++ b/src/day5.clj
@@ -0,0 +1,60 @@
+(ns day5
+  (:require [clojure.string :as string]
+            [helpers :refer [get-input]]))
+
+(def input-example
+"47|53
+97|13
+97|61
+97|47
+75|29
+61|13
+75|53
+29|13
+97|29
+53|29
+61|53
+97|53
+61|29
+47|13
+75|47
+97|75
+47|61
+75|61
+47|29
+75|13
+53|13
+
+75,47,61,53,29
+97,61,53,29,13
+75,29,13
+75,97,47,61,53
+61,13,29
+97,13,75,29,47")
+
+(def input
+  (string/split input-example #"\n\n"))
+
+(def page-ordering-rules
+  (reduce
+   (fn [m el]
+     (let [[k v] (map parse-long (string/split el #"\|"))]
+       (if (get m k)
+         (update m k conj v)
+         (assoc m k [v]))))
+   {}
+   (string/split-lines (first input))))
+
+(def page-updates
+  (let [parse-fn
+        (fn [l]
+          (->>
+           (string/split l #",")
+           (mapv parse-long)))]
+    (->> input second string/split-lines
+         (map parse-fn))))
+
+(defn safe? [up]
+  )
+
+(safe? (first page-updates))