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.*;

public class Main {
	
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String str = sc.next();
		
		char[] charStr = str.toCharArray();
		
		for(int i = charStr.length - 1; i >= 0; i--) {
			System.out.print(charStr[i]);
		}
		
		System.out.println();
	}
}