diff --git a/.idea/misc.xml b/.idea/misc.xml
index 03f397c..31e1ebc 100644
--- a/.idea/misc.xml
+++ b/.idea/misc.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="19" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_23" default="true" project-jdk-name="openjdk-23" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/Main.kt b/src/Main.kt
index a7a5e00..47a86f3 100644
--- a/src/Main.kt
+++ b/src/Main.kt
@@ -1,3 +1,24 @@
 fun main() {
-    println("Hello World!")
-}
\ No newline at end of file
+
+    greetSeaCreatures()
+    println(findPearl(6))
+    println(divideTreasure(1000.0, 5.0))
+    println(calculateDepth(1500, 800))
+    println(diveMessage("deep sea"))
+
+}
+
+val greetSeaCreatures = {println("Hello, Deep Sea Adventurer!")}
+
+val findPearl = {number: Int ->  number * number }
+
+val divideTreasure = {totalTreasure: Double, numberExplorers: Double -> totalTreasure/numberExplorers}
+
+val calculateDepth: (Int, Int) -> Int = {x, y -> x-y}
+
+fun String.loud(): String{
+    return this.uppercase() + "!"
+}
+val diveMessage: (String) -> String = { message -> message.loud() }
+
+