import java.util.*;

public class Run {
    public static void main (String arg[]) {
        Scanner scan = new Scanner(System.in);
        double X = scan.nextInt();
        double Y = scan.nextInt();
        int ans;

        ans = (int) (Math.pow(Math.pow(X, 2)+Math.pow(Y, 2), 0.5) * 2);
        System.out.println(ans + 1);
    }
}