diff --git a/README.md b/README.md
index ccc327a..c079283 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 77 * 39 = 3003
 87 * 52 = 4524
 98 + 43 = 141
+66 + 75 = 141