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[] argv) {
		Scanner input=new Scanner(System.in);
		StringBuffer sb= new StringBuffer(input.next());
		sb=sb.reverse();
		System.out.println(sb);
	}
}