No testdata at current.

Background

Special for beginners, ^_^

Description

创建其类CShape，并创建从CShape继承的CRectangle，打印矩形的边。 Given two integers x and y, print the sum.

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.