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 in = new BufferedReader(new InputStreamReader(System.in));
		String str;
		while((str = in.readLine()) != null){
			StringBuffer reverse = new StringBuffer().append(str);
			System.out.print(reverse.reverse() + "\n");
		}
		
	}
}