A + B Problem

A + B Problem

Background

Special for beginners, ^_^

Description

Given two integers x and y, print the sum.

Format

Input

Two integers x and y, satisfying 0 <= x, y <= 1e18.

Output

One integer, the sum of x and y.

Sample 1

Input

123 500

Output

623

Limitation

1s, 1024KiB for each test case.

信息

难度
10
分类
(无)
标签
(无)
递交数
7
已通过
0
通过率
0%
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