OD11 | 数字颠倒

import java.util.*;

public class Main {
    public static void main(String[] args) {
        //接收输入的
        Scanner sc = new Scanner(System.in);
        //定义一个字符串
        String str = sc.nextLine();
        //倒序字符串
        StringBuffer sb = new StringBuffer(str);
        String str1 = sb.reverse().toString();
        //输出倒序字符串
        System.out.println(str1);
    }
}