using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;
class Program
{
    static int NN => int.Parse(ReadLine());
    static long[] NList => ReadLine().Split().Select(long.Parse).ToArray();
    public static void Main()
    {
        var n = NN;
        var ans = 0;
        if (n % 2 == 0)
        {
            ++ans;
            while (n % 2 == 0) n >>= 1;
        }
        if (n == 1)
        {
            WriteLine(ans);
        }
        else
        {
            WriteLine(ans + 2);
        }
    }
}