#include <iostream>
#include <string>

using namespace std;

// valを2進数で表現した時の1のビット数
int toPoint(int val) {
  if (!val)
    return 0;
  int point = 0;
  while (val != 0) {
    if (!(val & 1) == 0)
      point++;
    val >>= 1;
  }
  return point;
}

int main() {
  int N;
  cin >> N;

  int i = 1;
  int count = 1;
  bool rireki[N];

  for (int j = 0; j < N; j++)
    rireki[j] = false;

  while (!(i == N)) {
    cout << i << "->";
    if (rireki[i - 1]) {
      count = -1;
      break;
    }
    rireki[i - 1] = true;
    i = (i + toPoint(i) > N) ? (i - toPoint(i)) : (i + toPoint(i));
    count++;
  }
  cout << i << endl;

  cout << count << endl;

  return 0;
}