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.*;

public class Main {
	static Scanner sc = new Scanner(System.in);
	static String line;
	public static void main(String[] args) {
		read();
		slove();
	}
	static  boolean read(){
		line = sc.nextLine();
		return true;
	}
	static void slove(){
		String line_ = new StringBuffer(line).reverse().toString();
		System.out.println(line_);
	}
}