/**
 * 
 */

/**
 * @author Hasmik
 *
 */
import java.io.*; 
public class q184183 {

	/**
	 * @param args
	 */
	public static void main(String args[]) throws Exception {
		FileReader fr = new FileReader("q184183.java");
		BufferedReader br = new BufferedReader(fr);
		String s;
		  FileWriter fw = new FileWriter("reverse.java");
		   BufferedWriter bw = new BufferedWriter(fw);


		while((s = br.readLine()) != null) {
		for( int i=s.length()-1;i>=0;i--)
			bw.write(s.charAt(i));
		bw.write("\r\n");
		}
		fr.close();
   	   bw.close();
	}
		}