Problem9659--ABC182 —— A - twiblr

9659: ABC182 —— A - twiblr

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Time Limit : 1.000 sec  Memory Limit : 512 MiB

Description

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?

Input

Input is given from Standard Input in the following format:

```
$A$ $B$
```

Output

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

Constraints

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

Sample 1 Input

200 300

Sample 1 Output

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

Sample 2 Input

10000 0

Sample 2 Output

20100

Source/Category