using System;

public class Program {
	public static void Main(string[] args) {
		string[] input = Console.ReadLine().Split(' ');
		int x = int.Parse(input[0]);
		int y = int.Parse(input[1]);
		double len = Math.Sqrt(x * x + y * y);
		int diameter = (int)(len * 2) + 1;
		Console.WriteLine(diameter);
	}
}