package no98;

import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int x = sc.nextInt();
		int y = sc.nextInt();
		for(int a=1;a<=40000;a++) {
			if ((x * x + y * y) * 4 < a * a) {
				System.out.println(a);
				return;
			}
		}
	}

}