import java.util.*;
public class Main {
    public static void main(String[] args) throws Exception {
        Scanner koko = new Scanner(System.in);
        int x = koko.nextInt();
        int y = koko.nextInt();
        double d =  2*Math.sqrt(x*x+y*y);
        int a = (int)Math.ceil(d);
        if(a==d){
            a=a+1;
        }
        System.out.println(a);
    }
}