#include <iostream>
#include <vector>
#include <algorithm>
using namespace std;

int main(){
  // input
  int N;
  cin >> N;
  int count =0;
  count = N / 3;
  int nokori = N % 3;
  int ans;
  if(nokori == 0){
    ans = 0;
  } else if(nokori == 1){
    ans = 2;
  } else if(nokori == 2){
      ans = 1;
  }



  cout << ans << endl;
  // output 
}