Welcome! Let’s start immediately. Solve the following problem. Then read the instructions below it to move on.

You should have a 2 digit number. Substitute that number in the current url¬†of this page, at the end, in place of the word “start”:

If you solved the question correctly, you’ll find the next question. On the other hand, if you reach a “404: Page not found”, that means you made a mistake…