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 args[]){
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		StringBuffer buf = new StringBuffer(str);
		
		buf.reverse();
		str = buf.toString();
		
		System.out.println(str);
		scan.close();
	}
}