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

int main() {
	long long N;
	cin >> N;
	string ans;
	while (N != 1){
		if (N % 2 == 0){
			N /= 2;
			ans.push_back('/');
		} else {
			long long M = N * 3 - 1, P = N * 3 + 1;
			int l = 0, r = 0;
			while (M % 2 == 0){
				M /= 2;
				l++;
			}
			while (P % 2 == 0){
				P /= 2;
				r++;
			}
			if (l > r){
				N = N * 3 - 1;
				ans.push_back('-');
			} else {
				N = N * 3 + 1;
				ans.push_back('+');
			}
		}
	}
	cout << ans.size() << '\n';
	cout << ans << '\n';
}