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.*;
public class Main {
	public static void main(String args[]) throws IOException {
		BufferedReader r = new BufferedReader(new InputStreamReader(System.in));
		StringBuffer sb = new StringBuffer(r.readLine());
		System.out.println(sb.reverse().toString());
	}
}