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

int main() {
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);
    int64_t n; cin >> n;
    string s;
    while (n != 1) {
        if (n % 2 == 0) {
            n /= 2;
            s += '/';
        } else if ((3 * n - 1) % 4 == 0) {
            n = 3 * n - 1;
            s += '-';
        } else {
            n = 3 * n + 1;
            s += '+';
        }
    }
    cout << s.size() << '\n' << s;
}