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;

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