#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 = "";
    set<ll> st;
    st.insert(N);
    while (N != 1) {
        if (N % 2 == 0) {
            N /= 2;
            ans += "/";
        } else if (N * 3 - 1 > 0 && st.find(N * 3 - 1) == st.end()) {
            N = N * 3 - 1;
            ans += "-";
        } else {
            N = N * 3 + 1;
            ans += "+";
        }
        st.insert(N);
    }

    cout << ans.size() << "\n";
    cout << ans << "\n";

    return 0;
}