You are helping to develop a weblog-management system called
bloggo. Although bloggo pushes all content to the front end of a
website in HTML, not all content authors enjoy using HTML tags in their
text. To make their lives easier, bloggo offers a simple syntax called
shortcuts to achieve some HTML textual effects. Your job is to
take a document written with shortcuts and translate it into proper HTML.
One shortcut is used to make italicized text. HTML does this with
the <i> and </i> tags, but in bloggo, an author can simply
enclose a piece of text using two instances of the underscore character,
'_'. Thus, where a content author writes
You _should_ see the baby elephant at the zoo!
bloggo will publish the following instead.
You <i>should</i> see the baby elephant at the zoo!
Another shortcut serves to render text in boldface, which HTML
accomplishes with <b> and </b> tags. Bloggo lets content
authors do the same with paired instances of the asterisk character,
'*'. When a content author writes the text
Move it from *Receiving* to *Accounts Payable*.
it will end up on the website as
Move it from <b>Receiving</b> to <b>Accounts Payable</b>.
Given a String, text, containing zero or more usages
of the italic and boldface shortcuts, translate it into HTML
as demonstrated by the examples above. There will be an even number
of underscores and of asterisks in text, respectively, and the
spans of text enclosed by successive pairs of these characters will not
overlap. To render a span of text in italics in HTML, you must start
with the <i> tag and end with the </i> tag. For boldface
text, start with <b> and end with </b>. After rendering all
shortcuts in HTML, return the resulting text as a String.