Can someone tell me what is wrong here?

Question

The code I have attached has something wrong in it. Can someone tell me what it is?
https://code.sololearn.com/c5ycbjra6FJP/?ref=app
https://code.sololearn.com/c5ycbjra6FJP/?ref=app

Answer 1

Line 19:
if(x%3 == 0)
Put dolube equal sign instead of single equal sign

= - assignment Operator
== - comparison operator

Answer 2

Vadivelan Thank you very much