Score : 200 points
Snuke has N sticks. The length of the i-th stick is l_i.
Snuke is making a snake toy by joining K of the sticks together.
The length of the toy is represented by the sum of the individual sticks that compose it. Find the maximum possible length of the toy.
Input is given from Standard Input in the following format:
N K l_1 l_2 l_3 ... l_{N}
Print the answer.
5 3 1 2 3 4 5
12
You can make a toy of length 12 by joining the sticks of lengths 3, 4 and 5, which is the maximum possible length.
15 14 50 26 27 21 41 7 42 35 7 5 5 36 39 1 45
386