题解 | #字符统计#

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);
        String s = scanner.nextLine();
        StringBuffer stringBuffer = new StringBuffer(s);
        StringBuffer reverse = stringBuffer.reverse();
        String string = reverse.toString();
        System.out.println(string);
    }
}