diff --git a/.github/data/problems.json b/.github/data/problems.json
index 77a8867f9..8d94d9ab8 100644
--- a/.github/data/problems.json
+++ b/.github/data/problems.json
@@ -2135,6 +2135,10 @@
         {
             "day": "17",
             "title": "Uncommon Words from Two Sentences"
+        },
+        {
+            "day": "18",
+            "title": "Largest Number"
         }
     ],
     "10- October": [
diff --git a/09- September/18- Largest Number/.gitkeep b/09- September/18- Largest Number/.gitkeep
new file mode 100644
index 000000000..e69de29bb