import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int x = scan.nextInt();
		int y = scan.nextInt();
		scan.close();
		double r = 2 * Math.sqrt(x * x + y * y);

		if(r == 0) {
			System.out.println(1);
		}else {
			System.out.println((int)r + 1);
		}

	}
}