package com.patience.interview.huawei;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/**
* 数字颠倒输出
* @author Green.Gee
* @date 2022/7/28 10:29
* @email green.gee.lu@gmail.com
*/
public class ReverseNumber {
public static void main(String[] args) throws Exception {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
String str = br.readLine();
char [] c = str.toCharArray();
for (int i = c.length - 1; i >= 0; i--){
System.out.print(c[i]);
}
}
}