No testdata at current.

Background

Special for beginners, ^_^

Description

创建基类CShape，有宽和高的保护变量，并派生CRectangle。

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.