#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < n; ++i)
typedef long long ll;
using namespace std;

int main() {
    cin.tie(0)->sync_with_stdio(0);

    ll N;
    cin >> N;
    string ans = "";
    while (N != 1) {
        if (N % 2 == 0) {
            N /= 2;
            ans += "/";
        } else {
            ll tmp = 3 * N + 1;
            int cnt1 = 0;
            while (tmp % 2 == 0) {
                tmp /= 2;
                cnt1++;
            }

            tmp = 3 * N - 1;
            int cnt2 = 0;
            while (tmp % 2 == 0) {
                tmp /= 2;
                cnt2++;
            }

            if (cnt1 > cnt2) {
                N = 3 * N + 1;
                ans += "+";
            } else {
                N = 3 * N - 1;
                ans += "-";
            }
        }
    }
    cout << ans.size() << "\n";
    cout << ans << "\n";

    return 0;
}