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 {
	Scanner sc = new Scanner(System.in);
	
	void run(){
		char c[] = sc.next().toCharArray();
		int l = c.length;
		while(l-- != 0){
			System.out.print(c[l]);
		}
		System.out.println();
	}
	
	public static void main(String[] args) {
		new Main().run();
	}
}