import java.util.*;
public class Kattis {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int x = sc.nextInt();
int y = sc.nextInt();
System.out.println(solve(x, y));
}
public static int solve(int x, int y){
if(x < 0)
return (y < 0)? 3 : 2;
return (y < 0)? 4 : 1;
}
}