package codeup_100;
import java.util.Scanner;
public class codeup_58 {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
boolean a = sc.nextBoolean();
boolean b = sc.nextBoolean();
if(a==false&&b==false) {
System.out.println("1");
} else {
System.out.println("0");
}
}
}