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

class Program
{
    static void Main(string[] args)
    {
        var sw = new StreamWriter(Console.OpenStandardOutput()) { AutoFlush = false };
        Console.SetOut(sw);
        Solve();
        Console.Out.Flush();
    }
    static void Solve()
    {
        var s = Console.ReadLine().Split(' ');
        var a = int.Parse(s[0]);
        var b = int.Parse(s[1]);
        var ans = -(-a - b);
        Console.WriteLine(ans);
    }
}