import java.util.Arrays;
import java.util.LinkedList;
import java.util.Scanner;

public class Main {
	
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		
		final int X = sc.nextInt();
		final int Y = sc.nextInt();
		
		final int dist2 = (X * X + Y * Y) * 4;
		for(int R = 1; ; R++){
			if(R * R > dist2){
				System.out.println(R);
				break;
			}
		}
		
		
	}
	
}