Contest: Task: Related: TaskB

Score : $100$ points

Problem Statement

You are on a social networking site called twiblr.
In twiblr, you can follow at most $2\,\times\,($ the number of users following you $)\,+\,100$ users.
You are currently following $B$ users, and $A$ users are following you.
At most, how many extra users can you follow now?


  • $0 \le A, B \le 10000$
  • $B \le 2 \times A + 100$
  • All values in input are integers.


Input is given from Standard Input in the following format:

$A$ $B$


Print the maximum number of extra users you can follow now.

Sample Input 1

200 300

Sample Output 1


You can follow at most $2 \times 200 + 100 = 500$ users, that is, $200$ more users than you are following now.

Sample Input 2

10000 0

Sample Output 2