diff --git a/index.js b/index.js
index e69de29..dc29554 100644
--- a/index.js
+++ b/index.js
@@ -0,0 +1,12 @@
+function add(a,b){
+  var c=a+b;
+return c
+  
+}
+add(1,81);
+function subtract(a,b){
+  var c=a-b;
+return c
+  
+}
+subtract(1,81);
\ No newline at end of file