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[] a){
		Scanner s=new Scanner(System.in);
		String str=s.next();
		StringBuffer sb=new StringBuffer(str);
		System.out.println(sb.reverse());
	}
}