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.

Example

Input

w32nimda


Output

admin23w
import java.util.*;
public class Main 
{
	public static void main(String[] args) 
	{
		Scanner stdIn = new Scanner(System.in);
		String str = stdIn.next();
		for(int i = str.length() - 1; i >= 0; --i)
		{
			System.out.print(str.charAt(i));
		}
		System.out.println();
	}
}