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{
	private static Scanner scan;
	public static void main(String[] args) {
		scan = new Scanner(System.in);
		String str = scan.next();
		int l = str.length();
		for(int i = l -1;i >= 0 ;i--){
			System.out.print(str.charAt(i));
		}
		System.out.println();
		System.exit(0);
	}
}