/* -*- coding: utf-8 -*-
 *
 * 2297.cc:  No.2297 Best Grouping - yukicoder
 */

#include<cstdio>
#include<algorithm>
 
using namespace std;

/* constant */

/* typedef */

/* global variables */

/* subroutines */

/* main */

int main() {
  int n;
  scanf("%d", &n);

  int r = n % 3;
  int x = (r == 0) ? 0 : (r == 1) ? 2 : 1;

  printf("%d\n", x);
  return 0;
}