import java.util.Scanner;

class paiza {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        String str = sc.nextLine();
        if (str.equals("1")) {
            System.out.println("0");
        }
        
        if (str.equals("0")) {
            System.out.println("1");
        }
    }
}