#include <bits/stdc++.h>
using namespace std;

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int N;
    cin >> N;
    if(N%3 == 1) {
        cout << 2 << "\n";
    }
    else {
        cout << (N%3)/2 << "\n";
    }
}