1 A + B Problem

内存限制:512 MB 时间限制:2000 ms

Description

Given $A$ and $B$, compute and print $A + B$.

Input Format

One line with two integers $A$ and $B$, separated by a space.

Output Format

One integer $A + B$.

Example

Limits

For $ 100\% $ of data, $ 1 \leq a, b \leq 10 ^ 6 $。

Samples

Input 1

1 2

Output 1

3