using System;
using System.Collections.Generic;
using System.Numerics;
using System.Text;


namespace newEX
{
    class Program
    {
        static void Main(string[] args)
        {
            string[] input = Console.ReadLine().Split();
            List<int> rev = getRev(input);
            int sum = rev[0];

            for (int i = 1; i < rev.Count; i++)
			{
			    sum += rev[i];
			}

            Console.WriteLine(sum);
        }

        private static List<int> getRev(string[] input)
        {
            List<int> numbers = new List<int>();

            for (int i = 0; i < input.Length; i++)
            {
                string temp = "";
                for (int k = input[i].Length-1; k >=0 ; k--)
                {
                    temp += input[i][k];
                }
                numbers.Add(int.Parse(temp));
            }
            return numbers;
        }
    }
}