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: WA: Presentation Error)

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

public class Main {

	/**
	 * ????????? str ?????\???????????¨?????????????????????????????????????????????????????°????????????????????????????????? ?????????????§???±??°???????????§???20 ????????\?????¨????????????
	 * 
	 * @param args
	 * @throws IOException
	 */
	public static void main(String[] args) throws IOException {
		// TODO ?????????????????????????????????????????????
		InputStreamReader is = new InputStreamReader(System.in);
		BufferedReader br = new BufferedReader(is);

		String inputData = br.readLine();

		for (int i = inputData.length(); i > 0; i--) {
			System.out.print(inputData.charAt(i - 1));
		}

	}

}