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

int main(){
    ll n;
    cin>>n;
    string ans = "";
    while(n>1){
        if(n%2==0){
            ans += "/";
            n /= 2;
            continue;
        }
        ll a = 3 * n + 1;
        ll b = 3 * n - 1;
        if(a%4==0){
            ans += "+";
            n = a;
        }else{
            ans += "-";
            n = b;
        }
    }
    cout<<ans.size()<<endl;
    cout<<ans<<endl;
}