using System;

public class Hello
{
    public static void Main()
    {
        string[] line = Console.ReadLine().Trim().Split(' ');
        var x = int.Parse(line[0]);
        var y = int.Parse(line[1]);
        var w = x * x + y * y;
        var dk = (int)(Math.Sqrt(w) * 2d);
        for (int i = dk - 1; i <= dk + 1; i++)
            if (i > 0 && i * i > 4 * w) { Console.WriteLine(i); break; }
    }
}