diff --git a/.gitignore b/.gitignore
index 31a1bab..3e510bb 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,5 +1,6 @@
 # Custom Files
 uil/october-2013/3/input-generator/output/output.dat
+.vscode/*
 
 # Byte-compiled / optimized / DLL files
 __pycache__/
@@ -124,4 +125,4 @@ venv.bak/
 dmypy.json
 
 # Pyre type checker
-.pyre/
+.pyre/
\ No newline at end of file
diff --git a/.vscode/launch.json b/.vscode/launch.json
deleted file mode 100644
index 1dfdcba..0000000
--- a/.vscode/launch.json
+++ /dev/null
@@ -1,11 +0,0 @@
-{
-    "configurations": [
-        {
-            "type": "java",
-            "name": "CodeLens (Launch) - problem12",
-            "request": "launch",
-            "mainClass": "problem12",
-            "projectName": "12"
-        }
-    ]
-}
\ No newline at end of file
diff --git a/uil/october-2013/12/.idea/workspace.xml b/uil/october-2013/12/.idea/workspace.xml
index 8fa0d02..e307804 100644
--- a/uil/october-2013/12/.idea/workspace.xml
+++ b/uil/october-2013/12/.idea/workspace.xml
@@ -1,9 +1,7 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
   <component name="ChangeListManager">
-    <list default="true" id="1fd89a9c-d895-4e45-acab-398cb78a9403" name="Default Changelist" comment="">
-      <change beforePath="$PROJECT_DIR$/src/problem12.java" beforeDir="false" afterPath="$PROJECT_DIR$/src/problem12.java" afterDir="false" />
-    </list>
+    <list default="true" id="1fd89a9c-d895-4e45-acab-398cb78a9403" name="Default Changelist" comment="" />
     <ignored path="$PROJECT_DIR$/bin/" />
     <option name="EXCLUDED_CONVERTED_TO_IGNORED" value="true" />
     <option name="SHOW_DIALOG" value="false" />
@@ -15,10 +13,11 @@
     <session id="1210997399">
       <usages-collector id="statistics.lifecycle.project">
         <counts>
-          <entry key="project.closed" value="2" />
+          <entry key="project.closed" value="3" />
           <entry key="project.open.time.4" value="1" />
+          <entry key="project.open.time.5" value="1" />
           <entry key="project.open.time.6" value="1" />
-          <entry key="project.opened" value="2" />
+          <entry key="project.opened" value="3" />
         </counts>
       </usages-collector>
       <usages-collector id="statistics.file.extensions.open">
@@ -53,15 +52,7 @@
         <entry file="file://$PROJECT_DIR$/src/problem12.java">
           <provider selected="true" editor-type-id="text-editor">
             <state relative-caret-position="481">
-              <caret line="150" column="29" lean-forward="true" selection-start-line="150" selection-start-column="29" selection-end-line="150" selection-end-column="29" />
-              <folding>
-                <element signature="e#739#740#0" expanded="true" />
-                <element signature="e#807#808#0" expanded="true" />
-                <element signature="e#3781#3788#0" expanded="true" />
-                <element signature="e#4159#4166#0" expanded="true" />
-                <element signature="e#4307#4316#0" expanded="true" />
-                <element signature="e#5559#5568#0" expanded="true" />
-              </folding>
+              <caret line="158" column="29" selection-start-line="158" selection-start-column="29" selection-end-line="158" selection-end-column="29" />
             </state>
           </provider>
         </entry>
@@ -106,8 +97,6 @@
       <foldersAlwaysOnTop value="true" />
     </navigator>
     <panes>
-      <pane id="Scope" />
-      <pane id="PackagesPane" />
       <pane id="ProjectPane">
         <subPane>
           <expand>
@@ -130,11 +119,13 @@
           <select />
         </subPane>
       </pane>
+      <pane id="Scope" />
+      <pane id="PackagesPane" />
     </panes>
   </component>
   <component name="PropertiesComponent">
     <property name="com.android.tools.idea.instantapp.provision.ProvisionBeforeRunTaskProvider.myTimeStamp" value="1569034632346" />
-    <property name="last_opened_file_path" value="$PROJECT_DIR$" />
+    <property name="last_opened_file_path" value="$PROJECT_DIR$/../../../../exercism/java/hello-world" />
     <property name="project.structure.last.edited" value="Project" />
     <property name="project.structure.proportion" value="0.15" />
     <property name="project.structure.side.proportion" value="0.2" />
@@ -190,7 +181,7 @@
   <component name="ToolWindowManager">
     <frame x="-8" y="-8" width="1936" height="1066" extended-state="6" />
     <layout>
-      <window_info content_ui="combo" id="Project" order="0" visible="true" weight="0.25266525" />
+      <window_info active="true" content_ui="combo" id="Project" order="0" visible="true" weight="0.2553305" />
       <window_info id="Structure" order="1" side_tool="true" weight="0.25" />
       <window_info id="Image Layers" order="2" />
       <window_info id="Designer" order="3" />
@@ -246,15 +237,7 @@
     <entry file="file://$PROJECT_DIR$/src/problem12.java">
       <provider selected="true" editor-type-id="text-editor">
         <state relative-caret-position="481">
-          <caret line="150" column="29" lean-forward="true" selection-start-line="150" selection-start-column="29" selection-end-line="150" selection-end-column="29" />
-          <folding>
-            <element signature="e#739#740#0" expanded="true" />
-            <element signature="e#807#808#0" expanded="true" />
-            <element signature="e#3781#3788#0" expanded="true" />
-            <element signature="e#4159#4166#0" expanded="true" />
-            <element signature="e#4307#4316#0" expanded="true" />
-            <element signature="e#5559#5568#0" expanded="true" />
-          </folding>
+          <caret line="158" column="29" selection-start-line="158" selection-start-column="29" selection-end-line="158" selection-end-column="29" />
         </state>
       </provider>
     </entry>