diff --git a/homwork.iml b/homwork.iml
deleted file mode 100644
index bb03ec326..000000000
--- a/homwork.iml
+++ /dev/null
@@ -1,13 +0,0 @@
-<?xml version="1.0" encoding="UTF-8"?>
-<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
-  <component name="NewModuleRootManager" LANGUAGE_LEVEL="JDK_1_8">
-    <output url="file://$MODULE_DIR$/target/classes" />
-    <output-test url="file://$MODULE_DIR$/target/test-classes" />
-    <content url="file://$MODULE_DIR$">
-      <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
-      <excludeFolder url="file://$MODULE_DIR$/target" />
-    </content>
-    <orderEntry type="inheritedJdk" />
-    <orderEntry type="sourceFolder" forTests="false" />
-  </component>
-</module>
\ No newline at end of file
diff --git a/src/main/java/com/techbow/homework/y2021/m10/yeboyr/ListNode.java b/src/main/java/com/techbow/homework/y2021/m10/yeboyr/ListNode.java
new file mode 100644
index 000000000..3c8340e23
--- /dev/null
+++ b/src/main/java/com/techbow/homework/y2021/m10/yeboyr/ListNode.java
@@ -0,0 +1,18 @@
+package com.techbow.homework.y2021.m10.yeboyr;
+
+public class ListNode {
+    int val;
+    ListNode next;
+
+    ListNode() {
+    }
+
+    ListNode(int val) {
+        this.val = val;
+    }
+
+    ListNode(int val, ListNode next) {
+        this.val = val;
+        this.next = next;
+    }
+}
diff --git a/src/main/java/com/techbow/homework/y2021/m10/yeboyr/Oct16.java b/src/main/java/com/techbow/homework/y2021/m10/yeboyr/Oct16.java
new file mode 100644
index 000000000..e9d12a0d4
--- /dev/null
+++ b/src/main/java/com/techbow/homework/y2021/m10/yeboyr/Oct16.java
@@ -0,0 +1,4 @@
+package com.techbow.homework.y2021.m10.yeboyr;
+
+public class Oct16 {
+}
diff --git a/src/main/java/com/techbow/homework/y2021/m10/yeboyr/Test.java b/src/main/java/com/techbow/homework/y2021/m10/yeboyr/Test.java
deleted file mode 100644
index d584562b8..000000000
--- a/src/main/java/com/techbow/homework/y2021/m10/yeboyr/Test.java
+++ /dev/null
@@ -1,8 +0,0 @@
-package com.techbow.homework.y2021.m10.yeboyr;
-
-public class Test {
-    public static void main(String[] args) {
-        int a = 0;
-        System.out.println(a);
-    }
-}
diff --git a/src/main/java/com/techbow/homework/y2021/m10/yeboyr/leet328.java b/src/main/java/com/techbow/homework/y2021/m10/yeboyr/leet328.java
new file mode 100644
index 000000000..d92c9de43
--- /dev/null
+++ b/src/main/java/com/techbow/homework/y2021/m10/yeboyr/leet328.java
@@ -0,0 +1,22 @@
+package com.techbow.homework.y2021.m10.yeboyr;
+
+public class leet328 {
+    class Solution {
+        public ListNode oddEvenList(ListNode head) {
+            if(head == null) return null;
+            ListNode odd = head;
+            ListNode even = head.next;
+            ListNode evenhead = even;
+
+            while(even != null && even.next != null){
+                odd.next = even.next;
+                odd = odd.next;
+                even.next = odd.next;
+                even = even.next;
+            }
+
+            odd.next = evenhead;
+            return head;
+        }
+    }
+}