Q. 土拨鼠小利

    Type: Default 1000ms 256MiB

土拨鼠小利

You cannot submit for this problem because the contest is ended. You can click "Open in Problem Set" to view this problem in normal mode.

Background

土拨鼠小利想去上厕所,但老师不让去 智商120(满分1000)的土拨鼠小利决定偷偷去,但厕所周围有保安把守,但这可难不住我们聪明的小利,他带了D(1<=d<=100)包利群香烟,用来孝敬保安,每个保安只能看到他上、下、左、右四个位置,当保安收到利群时,他便不再看,给出边长n(1<=n<=100),给出保安的坐标x,y(1<=x,y<=100),如果小利能成功躲避,输出YES,然后输出剩下的香烟数量,如果无法躲避,输出NO。

Format

Input

Two integers x and y, satisfying 0x,y327670\leq x,y\leq 32767 .

Output

One integer, the sum of x and y.

Samples

你猜?
你猜?

Limitation

1s, 1024KiB for each test case.