import java.io.*;
 
	public class Reverse{
	
	public static void main(String args[])throws IOException {
		BufferedReader keyboard=new BufferedReader(new InputStreamReader(System.in));
		System.out.println("Please enter a word: ");
		String myWord = keyboard.readLine();
		String revStr=reverse(myWord);
		System.out.println(revStr);
		System.exit(0);
	}
		public static String reverse(String myWord)
			{
			int length = myWord.length();
			String newWord = "";
			if(!myWord.equals(""))
			{
			for(int i = length - 1; i>=0; i--)
				{
				newWord += myWord.charAt(i);
				}
			}
			return newWord;
			}
	
}