[Solved] Y do i get EOFError?

Question

https://code.sololearn.com/ctt5Z4gf8U1Z/?ref=app

Answer 1

you have to put a number, hit enter, symbol, enter, second number, submit.

example:
2
+
3
(submit)

Answer 2

so the code is right.tnx

Answer 3

yep. code works fine, just the code playground does weird stuff with the input collection