
import java.lang.*; 
import java.io.*; 
import java.util.*; 

// Class of ReverseString 
class ReverseString { 
	public static void main(String[] args) 
	{ 
		String input = "Hackober Fest"; 

		char[] try1 = input.toCharArray(); 

		for (int i = try1.length - 1; i >= 0; i--) 
			System.out.print(try1[i]); 
	} 
} 
