diff --git a/02-add_nums.sh b/02-add_nums.sh
index 2fd13cb..00c86da 100644
--- a/02-add_nums.sh
+++ b/02-add_nums.sh
@@ -11,5 +11,16 @@ sum=$(( first+second+third ))
 
 echo "The sum is $sum"
 
-# exercise: ask the user for the width and height and present total
-# number of pixels
+# exercise: ask the user for the width and height and present total number of pixels
+
+echo "Enter width"
+read width
+
+echo "Enter height"
+read height
+
+pixels=$((width * height))
+echo "Total pixels: $pixels"
+
+area=$((width * height))
+echo "Area is: $area"
\ No newline at end of file
diff --git a/Branch_graph.png b/Branch_graph.png
new file mode 100644
index 0000000..68fbcf7
Binary files /dev/null and b/Branch_graph.png differ
diff --git a/Danny_Zhang/my_script.sh b/Danny_Zhang/my_script.sh
new file mode 100755
index 0000000..be7af24
--- /dev/null
+++ b/Danny_Zhang/my_script.sh
@@ -0,0 +1,2 @@
+#!/bin/bash
+echo "Welcome, my name is Danny Zhang"
diff --git a/after_merge_graph.png b/after_merge_graph.png
new file mode 100644
index 0000000..69f46b8
Binary files /dev/null and b/after_merge_graph.png differ