#include <iostream> #include <vector> #include <string> #include <algorithm> #include <cstdio> #include <cstring> #include <cmath> using namespace std; int main() { int n; cin >> n; int k = 0; while (n != 1) { if (n & 1) { n++; } else { n /= 2; } k++; } cout << k << endl; return 0; }