#include using namespace std; #include using namespace atcoder; #define rep(i, n) for(int i=0;i<(n);++i) #define rep1(i, n) for(int i=1;i<=(n);i++) #define ll long long using mint = modint998244353; using P = pair; using lb = long double; using T = tuple; #ifdef LOCAL # include # define dbg(...) debug_print::multi_print(#__VA_ARGS__, __VA_ARGS__) #else # define dbg(...) (static_cast(0)) #endif int main() { ll n; cin >> n; string ans; while(n!=1){ if(n%2==0) { n /= 2; ans += '/'; } else if(n%4==1){ n = 3*n + 1; ans += '+'; } else{ n = 3*n -1; ans += '-'; } } cout << ans.size() << endl; cout << ans << endl; return 0; }