import java.math.*;
import java.util.*;
 
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        int x = sc.nextInt();
        int y = sc.nextInt();
        int temp = (int)(Math.ceil(Math.sqrt(x*x*1.0+y*y*1.0)));
        if(temp*temp==x*x+y*y){
        	System.out.println(temp*2+1);
        }else{
        	System.out.println(temp*2);
        }
    }
}