Problem Description

Given an integer $N$, please reverse the digits of this number to obtain a new number. The new number should also be in the common form of integers, which means that unless the original number is zero, the highest digit of the new number after reversal should not be zero (see Sample 2).

Input Format

A single integer $N$.

Output Format

An integer representing the new number after reversal.

Sample Input and Output

Sample Input #1

123

Sample Output #1

321

Sample Input #2

-380

Sample Output #2

-83

Notes

[Data Range]

$-1,000,000,000 \leq N \leq 1,000,000,000$.

NOIP2011 Junior Group Problem 1

见题面 Input 部分

见题面 Output 部分