#include "bits/stdc++.h" using namespace std; #define REP(i, n) for(ll i = 0;i < n;i++) #define REPR(i, n) for(ll i = n;i >= 0;i--) #define FOR(i, m, n) for(ll i = m;i < n;i++) #define FORR(i, m, n) for(ll i = m;i >= n;i--) #define REPO(i, n) for(ll i = 1;i <= n;i++) #define ll long long #define INF (ll)1ll << 60 #define MINF (-1 * INF) #define ALL(n) n.begin(),n.end() #define MOD (ll)1000000007 int main(){ ll n; cin >> n; vector ans; while(n != 1){ if(n % 2 == 0){ ans.push_back('/'); n /= 2; }else if(n % 4 == 1){ ans.push_back('+'); n = 3 * n + 1; } else{ ans.push_back('-'); n = 3 * n - 1; } } cout << ans.size() << endl; REP(i, ans.size()){ cout << ans[i]; } cout << endl; }