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 s = new Scanner(System.in);
		String str = s.nextLine();
		
		char[] a = str.toCharArray();
		for(int i = a.length-1; i >= 0; i--) {
			System.out.print(a[i]);
		}
		System.out.println();
	}
}