using System;

public class Program

{

    public static void Main()

    {

        Console.Write("Enter number");

        long num = Int32.Parse(Console.ReadLine());

        int leng =num.ToString().Length;

        long num2=0;

        for(int i=leng-1;i>-1;i--){

            double pow=10;

            double pow2=i;

        num2+=Convert.ToInt32(((num%10)*(Math.Pow(pow,pow2))));

            num=num/10;

        }

        Console.WriteLine(num2);

    }

}