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Description

输入一个三位整数（保证此数大于99，小于1000），将此数的百位与个位交换后输出.

Input Format

一行一个三位整数

Output Format

一行一个整数

Sample

123 321

Hint

保证99≤a,b≤99999≤a,b≤999。

时间限制：1s1s 空间限制：256MB