package 練習;
import java.util.Date;
import java.util.Scanner;

public class main{
	public static void main(String[] args){
		Scanner sc=new Scanner(System.in);
		long exec_time=new Date().getTime();
		int x=sc.nextInt(),y=sc.nextInt();
		double l=2*Math.sqrt((double)(x*x+y*y));
		System.out.println((int)l+1);
		
		
		System.err.println(new Date().getTime()-exec_time+"ms");
	}
}