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I approved the translation only today, so maybe that's why there were only a few solutions...

-- Hey there!

Judging by the number of solutions, it was always broken.

Do not put only a comment in Preloaded. There should be a module there, or nothing.

I took out the comment.

Not an issue ;-)

Same mistake. I feel pretty silly, it clearly states they have single bills... Jeez.

We want to be able to store the result in a variable and then either reference that variable and get the nubmer, or call that variable ( as you would a function ) and be able to continue the chain.

var addTwo = add(2);  // store the value in a variable

var a = addTwo + 5  // able to reference it and get the number (a == 7)

var b = addTwo(3)  // use it to continue the chain (b == 5)

Wrong, because: the first customer arrives with one 25£ note. He pays and on the till(that is supposed to be empty) now there is one 25£ note. The second arrives and he pretend to pay with one 50£ note, no problem the price of the ticket is 25£ and on the till there is one(1) 25£ note of change that the cashier can give him back. Now on the till there is one 50£ note and the cashier is already panicking because he knows that if the next customer arrives with a note that is not a 25£ one he can't give him/her the change back. The third customer finally arrives. With a shining 50£ note. Vasya, knowing his lack of change fakes a smile to the third customer, politely explaining him that there is no seats left in the theater because they have been already booked online. End.