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

typedef modint998244353 mint;
typedef long long ll;

int main(){
	int n; cin >> n;
	if (n%3==0) cout << 0 << endl;
	else if (n%3==1) cout << 2 << endl;
	else cout << 1 << endl;
}