diff --git a/src/TreeMultiSet.java b/src/TreeMultiSet.java
new file mode 100644
index 0000000..27b4a0b
--- /dev/null
+++ b/src/TreeMultiSet.java
@@ -0,0 +1,6 @@
+public class TreeMultiSet<T> implements MultiSet<T> {
+    private static Tree _tree;
+    public boolean add(T item){
+        TreeMultiSet._tree.insert(item);
+    }
+}