#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;
using ld=long double;
ld pie=3.141592653589793;
ll inf=14449999;
ll mod=998244353;
int main(){
    ll n;
    cin >> n;
    if (n%3==1)
    {
        cout << 2 << endl;
    }else if (n%3==2)
    {
        cout << 1 << endl;
    }else{
        cout <<0 << endl;
    }
    
    
}