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

int main(void) {
    long long n;
    cin >> n;
    string ans="";
    while(n>1){
        if(n%2){
            long long tn=3*n;
            if((tn>>1)%2){
                n=tn+1;
                ans.push_back('+');
            } else {
                n=tn-1;
                ans.push_back('-');
            }
        } else {
            n/=2;
            ans.push_back('/');
        }
    }
    cout << ans.size() << endl;
    cout << ans << endl;
    return 0;
}