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 scan = new Scanner (System.in);
	String str = scan.nextLine();
	StringBuilder sb = new StringBuilder();
	for (int i = str.length()-1; i >= 0; i--) {
	    sb.append(str.charAt(i));
	}
	System.out.println(sb);
    }
}