import java.util.Scanner;

class Main {

    public static void main(String[] args) {
        Scanner in = new Scanner(System.in);
        int x = in.nextInt();
        if (x >= 0 && x <= 1) {
            if (x == 0) {
                System.out.println(1);
            } else if (x == 1) {
                System.out.println(0);
            }
        } else {
            System.out.println("error");
        }
    }

}

/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz