Dude this should be correct? But the code coach is showing wrong even of correct?!

Question

Man please halp me there's a bug in the sololearn's code coach.
https://code.sololearn.com/c03hjE1MX3Gz/?ref=app

Answer 1

Dude, you are supposed to take input() – instead of hard-coding the number of pieces

Answer 2

just take input by user:-

input in py.
input();

Answer 3

Akanksha Raundal

There are different input for different test cases so before going on conclusion you should check your code, you have fixed value for just 1 case and what about others?