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.Scanner;


public class Main 
{
	public static void main(String[] args)
	{
		Scanner scanner = new Scanner(System.in);
		
		String in = scanner.next();
		String out = "";
		
		for(int i=in.length(); i>0; i--)
		{
			out += in.substring(i-1, i);
		}
		System.out.println(out);
	}
}