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Background

Special for beginners, ^_^

Description

Given two integers \(x\) and \(y\), print the sum.

Format

Input

Two integers \(x\) and \(y\), satisfying \(INT_MIN <= x, y , sum <= INT_MAX\).

Output

One integer, the sum of \(x\) and \(y\).

Sample 1

Input

123 500

Output

623

Limitation

10ms, 32KiB for each test case.