#include <iostream>
typedef long long int ll;
using namespace std;

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;
    }
    
    //cout<<"Hello World";

    return 0;
}