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
public class Main {
	static java.util.Scanner scan = new java.util.Scanner(System.in);
	public static void main(String[] args) {
		StringBuffer input = new StringBuffer(scan.nextLine());
		input.reverse();
		print(input.toString());
	}
	
	public static void print(Object out) {
		System.out.println(out);
	}
}