Help me with Recover Sequence problem

This is my first problem I am trying to solve but getting some problem please help me
this is the link to my solution dont know why is it not getting accepted
please help me thankyou

also getting a EOF error dont know what that means

bro try to read the constraints first…it says that the size of list can be 100000…you have only written code for 5 numbers.

thanks bro
i submitted it successfully
but it is still giving the EOF error what does it mean

well it is my solution

your solution is right…it gave right answer

EOF error is generated when you put input() where it is not needed

thanks bro
but i need here to get input from the user

can you please explain this problem?