#include <iostream>

using namespace std;

int n;

int main() {
    // freopen("card.in", "r", stdin);
    // freopen("card.out", "w", stdout);

    scanf("%d", &n);
    if (n == 1) puts("1");
    else if (n == 2) puts("0");
    else if (n == 3) puts("4");
    else puts("0");

    return 0;
}