#include using namespace std; using ll = long long; constexpr int INF = (int)1e9 + 1001010; constexpr ll llINF = (ll)4e18 + 22000020; const string endn = "\n"; template inline vector> vector2(size_t i, size_t j, const T &init = T()) {return vector>(i, vector(j, init));} const string ELEM_SEPARATION = " ", VEC_SEPARATION = endn; template istream& operator >>(istream &i, vector &A) {for(auto &I : A) {i >> I;} return i;} template ostream& operator <<(ostream &o, const vector &A) {int i=A.size(); for(auto &I : A){o << I << (--i ? ELEM_SEPARATION : "");} return o;} template ostream& operator <<(ostream &o, const vector> &A) {int i=A.size(); for(auto &I : A){o << I << (--i ? VEC_SEPARATION : "");} return o;} template vector& operator ++(vector &A, int n) {for(auto &I : A) {I++;} return A;} template vector& operator --(vector &A, int n) {for(auto &I : A) {I--;} return A;} template bool chmax(T &a, const U &b) {return ((a < b) ? (a = b, true) : false);} template bool chmin(T &a, const U &b) {return ((a > b) ? (a = b, true) : false);} ll floor(ll a, ll b) {assert(b != 0); return((a%b != 0 && ((a>0) != (b>0))) ? a/b-1 : a/b);} ll ceil (ll a, ll b) {assert(b != 0); return((a%b != 0 && ((a>0) == (b>0))) ? a/b+1 : a/b);} // ================================== ここまでテンプレ ================================== int main(int argc, char *argv[]){ ios::sync_with_stdio(false); cin.tie(nullptr); ll n; cin >> n; string ans = ""; while(n > 1){ if(n%2 == 0){ n /= 2; ans += '/'; } else if((3*n+1) % 4 == 0){ n = 3*n + 1; ans += '+'; } else{ n = 3*n - 1; ans += '-'; } } cout << ans.size() << endn; cout << ans << endn; return 0; }