using System;

using System.Linq;

public class SumReversedNumbers

{

    public static void Main()

    {

        var numbers = Console.ReadLine().Split().Select(int.Parse).ToList();

        var sum = 0;

        foreach (var number in numbers)

        {

            var current = GetReversedNumber(number);                            

            sum += current;

        }

        Console.WriteLine(sum);

    }

    public static int GetReversedNumber(int n)

    {

        var rev = 0;

        while (n > 0)

        {

            rev = rev * 10 + n % 10;

            n = n / 10;

        }

        return rev;

    }

}

​