Background

Special for beginners, ^_^
test by 沈齐宸（测试数据）

Description

Given two integers x and y, print the sum.

Format

Input

Two integers x and y, satisfying 0 <= x, y <= 32767.

Output

One integer, the sum of x and y.

Sample 1

Input

123 500

Output

623

Limitation

1s, 1024KiB for each test case.