#include <iostream>
#include <sstream>
#include <fstream>
#include <string>
#include <vector>
#include <deque>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <algorithm>
#include <functional>
#include <utility>
#include <bitset>
#include <cmath>
#include <cstdlib>
#include <ctime>
#include <cstdio>

using namespace std;

int main() {
    int N;
    cin >> N;

    int r = N % 3;
    if (r == 0) {
        cout << 0 << endl;
    } else if (r == 1) {
        cout << 2 << endl;
    } else {
        cout << 1 << endl;
    }
    return 0;
}