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.*;

class Main{
	public static void main(String[] args) throws IOException{
		BufferedReader r = new BufferedReader(new InputStreamReader(System.in));
		String s=r.readLine();
		try {
			for(int i=s.length()-1;i>=0;i--){
				System.out.print(s.charAt(i));
			}
			System.out.println("");
		} catch (Exception err) {
			System.exit(0);
		}
	}
}