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

namespace Test
{
    class Program
    {
        static void Main(string[] args)
        {
            int[] x = Console.ReadLine().Split().Select(int.Parse).ToArray();
            double ret = Math.Sqrt(x[0] * x[0] + x[1] * x[1]);
            ret *= 2;
            Console.WriteLine((int)ret + 1);
        }
    }
}