import java.util.Scanner;

public class No98 {
	public static void main(String[]args) {
		Scanner sc = new Scanner(System.in);
		int x = sc.nextInt();
		int y = sc.nextInt();

		double d = Math.sqrt(x*x+y*y);


		int D = (int)Math.floor(2*d);

		System.out.println(D+1);

	}


}