diff --git a/README.md b/README.md
index 23bde97..d5cfab0 100644
--- a/README.md
+++ b/README.md
@@ -41,3 +41,4 @@
 15 / 1 = 15
 23 * 7 = 161
 32 * 82 = 2624
+33 - 19 = 14