#include<bits/stdc++.h>

using namespace std;

int main(){
    long long n; cin >> n;
    int ans = 0;
    string s;
    while(n != 1){
        if(n % 2 == 0){
            s += "/";
            n /= 2;
        } else {
            n *= 3;
            if(n % 4 == 1){
                n -= 1;
                s += "-";
            } else {
                n += 1;
                s += "+";
            }

        }
        ans++;
    }
    cout << ans << endl << s;
}