Newbie: Event Calendar plugin/widget help

I am using version 2.9.2.

I’ve installed the EventCalendar3 plugin. In the installation instruction, it says:
you need to make a small adition to your template. Add the following code to your sidebar.php:

Event Calendar:

• <?php ec3_get_calendar(); ?>

Upcoming Events:

• Events
  <?php ec3_get_events(5); ?>

Where should I put these lines within the file? This may sounds dumb but I am new to php and learning, but I know HTML. I see that there is a

tag somewhere in the sidebar file. Should I put the

• lines between them?

Another related question – is there a widget that does the same thing? This seems to be a plugin only, although it’s listed on the widget list.

Thanks for any help!