#include <bits/stdc++.h>
using namespace std;
using ll = long long;
 
int main(){
    ios::sync_with_stdio(false);
    cin.tie(0);
    ll n;
    cin >> n;
    string ans;
    while(n != 1){
        if(n & 1){
            if((3 * n + 1) % 4 == 0){
                ans += '+';
                n = 3 * n + 1;
            }else{
                ans += '-';
                n = 3 * n - 1;
            }
        }else{
            ans += "/";
            n /= 2;
        }
    }
    //cerr << n << '\n';
    cout << ans.size() << '\n';
    cout << ans << '\n';
}