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.Arrays;
import java.util.Comparator;
import java.util.Scanner;

public class Main {
	public static void main(String args[]) throws Exception {
		Scanner sc = new Scanner(System.in);
		String str;
		str = sc.next();
			StringBuilder strBul = new StringBuilder(str).reverse();
			System.out.println(strBul);
		}
}