CoordinateSystem

import java.util.Scanner;


public class _01_CartesianCoordinateSystem {
    public static void main(String[] args) {
        Scanner input =new Scanner(System.in);

        int x = input.nextInt();
        int y = input.nextInt();

        if (x==0 ) {
            System.out.println(6);
        }

        if (y==0 ) {
            System.out.println(5);
        }

        if (x==0 && y==0 ) {
            System.out.println(0);
        }

        if (x>0 && y>0 ) {
            System.out.println(1);
        }

        if (x<0 && y>0 ) {
            System.out.println(2);
        }

        if (x<0 && y<0 ) {
            System.out.println(3);
        }

        if (x>0 && y<0) {
            System.out.println(4);
        }

    }

}