diff --git a/.gitignore b/.gitignore
index f68d1099..c2d43fa8 100644
--- a/.gitignore
+++ b/.gitignore
@@ -24,6 +24,7 @@ bin/
 
 ### VS Code ###
 .vscode/
+.idea/
 
 ### Mac OS ###
 .DS_Store
\ No newline at end of file
diff --git a/.idea/misc.xml b/.idea/misc.xml
index 9c8e7400..45b76e11 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_11" default="true" project-jdk-name="Android Studio default JDK" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_19" default="true" project-jdk-name="corretto-19" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
index 35eb1ddf..83067447 100644
--- a/.idea/vcs.xml
+++ b/.idea/vcs.xml
@@ -2,5 +2,6 @@
 <project version="4">
   <component name="VcsDirectoryMappings">
     <mapping directory="" vcs="Git" />
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/main/kotlin/Lessson_1/L4.kt b/src/main/kotlin/Lessson_1/L4.kt
new file mode 100644
index 00000000..850676c2
--- /dev/null
+++ b/src/main/kotlin/Lessson_1/L4.kt
@@ -0,0 +1,14 @@
+package Lessson_1
+
+fun main() {
+
+    val lenght: Long = 40_848_600_000
+    val age: Byte = 27
+    val partOfDay: Float = 0.075F
+    val seconds: Int = 6480
+    val partOfYear: Double = 2.0547945205479453E-4
+    val apogee: Int = 327000
+    //в задаче же указано число 327_000, было бы 327_00, то применялся бы тип Short. Это как я понял, возможно я ошибаюсь
+
+    println("$lenght\n$age\n$partOfDay\n$seconds\n$partOfYear\n$apogee")
+}
\ No newline at end of file