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