import java.util.Scanner;

public class MyMain {

	public static void main(String[] args) {

		Scanner sc = new Scanner(System.in);
		int n = Integer.parseInt(sc.nextLine());

		if (n % 3 == 0)	System.out.println(0);
		if (n % 3 == 1)	System.out.println(2);
		if (n % 3 == 2)	System.out.println(1);

		sc.close();
	}

}