/* -*- coding: utf-8 -*-
 *
 * 2241.cc:  No.2241 Reach 1 - yukicoder
 */

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

/* constant */

/* typedef */

/* global variables */

/* subroutines */

/* main */

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

  int bn = 0;
  for (int k = n; k > 0; k >>= 1) bn += (k & 1);

  int x = (bn == 1) ? 1 : (n & 1) ? 2 : 3;
  printf("%d\n", x);
  return 0;
}