Problem:
Score : 100 points

Problem Statement

You are given a string S of length 2 or 3 consisting of lowercase English letters. If the length of the string is 2, print it as is; if the length is 3, print the string after reversing it.

Constraints

The length of S is 2 or 3.

S consists of lowercase English letters.

Input

Input is given from Standard Input in the following format:

S

Output

If the length of S is 2, print S as is; if the length is 3, print S after reversing it.

Sample Input 1

abc

Sample Output 1

cba

As the length of S is 3, we print it after reversing it.

Sample Input 2

ac

Sample Output 2

ac

As the length of S is 2, we print it as is.

Solution in JavaScript (node.js v5.12) (judge verdict: Runtime Error)

import javax.swing.JOptionPane; 
public class ReverseString { 
   
  public static void main (String args[]){ 
    String originalString; 
    String resultString = "";   
     
    originalString = JOptionPane.showInputDialog("Please input a String: "); 
     
    char[] charArray = originalString.toCharArray(); 
   
    for (int i=charArray.length-1; i>=0; i--){ 
      resultString += charArray[i]; 
    } 
     
    JOptionPane.showMessageDialog(null, resultString, "Reverse String", JOptionPane.INFORMATION_MESSAGE); 
  } 
}