#include <bits/stdc++.h>
using namespace std;

int main() {
  long long n;
  cin >> n;
  string ans;
  while (n != 1) {
    if (n % 2 == 0) {
      n /= 2;
      ans += '/';
    } else {
      long long a = n * 3 + 1;
      long long b = n * 3 - 1;
      int ac = 0, bc = 0;
      while (a % 2 == 0) {
        a /= 2;
        ac++;
      }
      while (b % 2 == 0) {
        b /= 2;
        bc++;
      }
      n = (ac > bc ? n * 3 + 1 : n * 3 - 1);
      ans += (ac > bc ? '+' : '-');
    }
  }
  cout << ans.size() << endl;
  cout << ans << endl;
}