using System;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static void Main(string[] args)
    {
        string[] s = Console.ReadLine().Split();
        int a = int.Parse(s[0]);
        int b = int.Parse(s[1]);

        Console.WriteLine(a - (-1 * b));
        Console.Read();
    }
}