diff --git a/README.md b/README.md
index fb6e38e..e606f1a 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 65 + 78 = 143
 33 * 86 = 2838
 15 / 5 = 3
+13 + 89 = 102