Since starting could be hard sometimes, let us try the simplest problem possible. The goal is to have practice on submitting answers etc.
We need to sum two numbers and tell the result. Though you can do it manually, try to write a simple program in any language you know, or like, or want to learn.
This screencast video demonstrates steps described further.
If you are logged in, you will see the following fields below:
input data: 3 5 answer: 8
We provide samples of the program in several popular languages, but you are strongly advised not to browse them before you solve this task. :)