Step 3 - Now just copy the converted code and paste it wherever you want to use this code. It will work perfectly for your blog or website to display advertisements etc.
Blogger AdSense Code Converter
Google Adsense Converter
If you want to add Adsense Ad units or any other ad scripts inside the Blogger Post or anywhere in the Blog, You can't directly Paste it in the template code. You need to first convert the code using this HTML Entities Encoder tool and then you can put ads anywhere you want ;)