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.io.BufferedReader;
import java.io.InputStreamReader;



public class Main {
	public static void main(String[] args){
		StringBuilder sb = new StringBuilder();
		try{
		sb.append(new BufferedReader(new InputStreamReader(System.in)).readLine());
		} catch (Exception e){}
		sb.reverse();
		System.out.println(sb.toString());
	}
}