#include<bits/stdc++.h>
using namespace std;
using ll=long long;

int main(){
  ios::sync_with_stdio(false);
  cin.tie(nullptr);
  ll N;
  cin>>N;
  string ans="";
  while(N!=1){
    if(N%2){
      if((N-1)/2%2){
        ans+="-/";
        N=(3*N-1)/2;
      }else{
        ans+="+/";
        N=(3*N+1)/2;
      }
    }else{
      ans+='/';
      N/=2;
    }
  }
  cout<<ans.size()<<'\n'<<ans<<'\n';
}