[Bronze V]
import java.io.*;
public class Main {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int x = Integer.valueOf(br.readLine());
int y = Integer.valueOf(br.readLine());
int dot = 0;
if(x > 0) {
if(y > 0) {
dot = 1;
} else {
dot = 4;
}
} else {
if(y > 0) {
dot = 2;
} else {
dot = 3;
}
}
System.out.print(dot);
}
}