diff --git a/src/ListNode.java b/src/ListNode.java
index dd6028c..91fa9a8 100644
--- a/src/ListNode.java
+++ b/src/ListNode.java
@@ -1,3 +1,7 @@
 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..f5ff250 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);
+
+
+// this sets head.next to MySeven value.
+head.next = MySeven;
+// this creates a new Node with a value
+MySeven. next = new ListNode (28);
+head.next.next = new ListNode (32);
+head.next.next.next = new ListNode (23);
+// System.out.println(head);
+ListNode current = head;
+int total = 0;
+while (current != null) {
+total += current.data;
+current = current. next;
+｝
+System.out.println(total);
     }
 }