diff --git a/.idea/misc.xml b/.idea/misc.xml
index d15472f..433a737 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_18" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_21" default="true" project-jdk-name="openjdk-18" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>
\ No newline at end of file
diff --git a/src/ArchimedesPiMethod.java b/src/ArchimedesPiMethod.java
index 0b6e780..48e23f8 100644
--- a/src/ArchimedesPiMethod.java
+++ b/src/ArchimedesPiMethod.java
@@ -1,7 +1,21 @@
 import java.util.Scanner;
-
 public class ArchimedesPiMethod {
     public static void main(String[] args) {
+        while(true) {
+            System.out.println("pls type number of sides");
+            Scanner scan = new Scanner(System.in);
+            int n = scan.nextInt();
+                if(n<1) {
+                    break;
+                }
+            double b = 360.0/n;
+            double a = b/2;
+            double s = 2*Math.sin(Math.toRadians(a));
+            double p = n*s;
+            double pi = p/2;
+            System.out.printf("our pi guess is %f%n", pi);
+
+        }
 
     }
 }