You cannot submit for this problem because the homework's deadline is due.

Background

This exercise is only a test for submission, and don't worry if you get a Compile Error.

Please name your file as ex2.m and compress it into a .tar file.

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.