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 arg[])
	{
		Scanner sc = new Scanner(System.in);
		StringBuilder st=new StringBuilder(sc.next());
		System.out.println(st.reverse());
	}
}