408607: GYM103202 G The Witchwood

Shenyang's night fair culture is developed very well. Every time Bob comes to Shenyang, he will definitely go to a night fair called The Witchwood. There are $$$n$$$ snack stalls in The Witchwood, the $$$i$$$th of which gives him $$$a_i$$$ pleasure.

Bob's stomach allows him to eat $$$k$$$ snack stalls at most. So Bob wants to know the maximum pleasure he can get after visiting the night market.

The first line of input contains two integers $$$n$$$ $$$(1 \le n \le 1000)$$$ and $$$k$$$ $$$(1\le k \le n)$$$, indicating the number of snack stalls and the capacity of Bob's stomach.

The second line of input contains $$$n$$$ integers $$$a_1, a_2, \ldots, a_n$$$ $$$(1\leq a_i \leq 10^9)$$$, the $$$i$$$th of which indicates the pleasure of the $$$i$$$th snack stall.

Print one integer denoting the maximum pleasure Bob can get.

5 2
9 8 10 2 4

19