#z1020. 游戏(game)

游戏(game)

Description

image Given two integers x and y, print the sum.

Format

Input

image

Output

输出一个数表示博弈的结果。

Samples

样例输入1

10 3

13 -6 -9 -8 11 5 -4 -9 -4 -7

2 3 3

样例输入2

-6

大样例

ex_game2.in

ex_game2.ans

Limitation

image image

1s, 512MiB for each test case.