diff --git a/3 Hash Table/LFU.md b/3 Hash Table/LFU.md
new file mode 100644
index 0000000..163f0ad
--- /dev/null
+++ b/3 Hash Table/LFU.md	
@@ -0,0 +1,4 @@
+# LFU
+
+
+
diff --git a/3 Hash Table/LRU.md b/3 Hash Table/LRU.md
new file mode 100644
index 0000000..8d95a56
--- /dev/null
+++ b/3 Hash Table/LRU.md	
@@ -0,0 +1 @@
+# LRU
\ No newline at end of file