import java.util.*; 

public class test {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		int x = sc.nextInt();
		int y = sc.nextInt();
		double lng = Math.sqrt(x*x + y*y);
		
		if(lng > (int)lng){
			int c = (int)Math.ceil(lng) * 2;
			System.out.println(c);
		}
		else{
			int c = (int)lng*2 + 1;
			System.out.println(c);
		}
		
	}
}