import java.util.Scanner;
public class reverseOfGivenSentence
{
    public static void main(String[] args)
    {
        String sen="";
        char ch=' ';
        int i=0,len=0;
        Scanner sc = new Scanner(System.in);

        System.out.println("Enter a sentence");
        sen = sc.nextLine();


        len=sen.length();
        for(i=(len-1);i>=0;i--)
        {
            ch=sen.charAt(i);

            System.out.print(ch);


        }

    }
}