import java.util.Scanner;

public class Main{
	public static void main(String[] args){
		Scanner sc=new Scanner(System.in);
		while(sc.hasNext()){
			double x=sc.nextDouble();
			double y=sc.nextDouble();
			int r=(int)Math.sqrt(4*x*x+4*y*y);
			System.out.println(r+1);
		}
	}
}