No testdata at current.

Background

Special for beginners, ^_^

Description

创建基类CShape有宽和高的变量，并创建基类CPaintCost计算涂料(paint)成本，定义CRectangle从CShape和CPaintCost继承。

Format

Input

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

Output

One integer, the sum of x and y.

Samples

123 500

623

Limitation

1s, 1024KiB for each test case.