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

class Magatro
{
    static void Main()
    {
        int x, y;
        string[] q = Console.ReadLine().Split(' ');
        x = int.Parse(q[0]);
        y = int.Parse(q[1]);
        double ans =2.0* Math.Sqrt(x * x + y * y);
        Console.WriteLine((int)ans+1);
    }
}