import java.util.Scanner;
class HelloWorld {
    public static void main(String[] args) {
        
        int n,r;
        Scanner ref = new Scanner(System.in);
        System.out.println("enter you value !");
        n=ref.nextInt();
        
        while(n>0)
        {
            r=n%10;
            System.out.print(r);
            n=n/10;
        }
        
    }