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;
import java.util.Date;


class Main{
    public static void main(String[] args){
	Scanner sc = new Scanner(System.in);

	String str=sc.next();

	for(int i=str.length()-1;i>=0;i--){
	    System.out.print(str.charAt(i));
	}
	System.out.println();
    }
}