diff --git a/src/ListNode.java b/src/ListNode.java
index dd6028c..00ffe77 100644
--- a/src/ListNode.java
+++ b/src/ListNode.java
@@ -1,3 +1,8 @@
 public class ListNode {
-    
+    public int data;
+    public ListNode next;
+
+    public ListNode(int data) {
+        this.data = data;
+    }
 }
\ No newline at end of file
diff --git a/src/Practice.java b/src/Practice.java
index 34a2f8d..e773df6 100644
--- a/src/Practice.java
+++ b/src/Practice.java
@@ -1,5 +1,22 @@
 public class Practice {
     public static void main(String[] args) {
+        ListNode head = new ListNode(14);
+        ListNode mySeven = new ListNode(7);
         
+        head.next = mySeven;
+        mySeven.next = new ListNode(28);
+        head.next.next.next = new ListNode(32);
+        head.next.next.next.next = new ListNode(23);
+
+        // System.out.println(head);
+
+        ListNode current = head;
+        int total = 0;
+        while (current != null) {
+            //System.out.println(current.data);
+            total += current.data;
+            current = current.next;
+        }
+        System.out.println(total);
     }
 }