Problem:
Reverse Sequence

Write a program which reverses a given string str.

Input

str (the size of str ≤ 20) is given in a line.

Output

Print the reversed str in a line.

Sample Input

w32nimda

Output for the Sample Input

admin23w

Solution in JAVA (judge verdict: Accepted)

import java.io.BufferedReader;
import java.io.InputStreamReader;

class Main {
    public static void main(String[] args) {
        try {
            BufferedReader br = new BufferedReader(new InputStreamReader(System.in));// ??\????????????????????????
            StringBuffer sb = new StringBuffer(br.readLine());
            String line = sb.reverse().toString();
            System.out.println(line);

        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}