import element.*;

public class ReverseString
{
    public static String reverse(String s)
    // pre: s is non-null
    // post: the result is the reverse of the input
    {
        String result = "";
        int i;

        for (i = 0; i < s.length(); i++)
        {
             result = s.charAt(i) + result;
        }
        return result;
    }

    public static void main(String args[])
    {
        int i;
        for (i = 0; i < args.length; i++)
        {
            System.out.println(reverse(args[i]));
        }
    }
}