#include <bits/stdc++.h>

using namespace std;
using ll = long long;

string v;
set<ll> st;
const ll inf = 1e18;

void dfs(ll from){
    if (from == 1){
        cout << v.size() << endl;
        cout << v << endl;
        exit(0);
    }
    st.insert(from);

    if (from % 2 == 0){
        v.push_back('/');
        dfs(from/2);
        v.pop_back();
        st.erase(from);
    }
    else{
        if (from*3+1 <= inf && !st.count(from*3+1)){
            v.push_back('+');
            dfs(from*3+1);
            v.pop_back();
            st.erase(from);
        }
        if (from*3-1 <= inf && !st.count(from*3-1)){
            v.push_back('-');
            dfs(from*3-1);
            v.pop_back();
            st.erase(from);
        }
    }
}

int main(){

    ll N;
    cin >> N;
    dfs(N);
    
    return 0;
}