#include <iostream>
#include <cstdint>

using namespace std;

int main()
{
	cin.tie(nullptr);
	ios::sync_with_stdio(false);

	uint64_t N;
	cin >> N;

	string c;
	while (N != 1)
	{
		if (!(N & 1)) c.push_back('/'), N >>= 1;
		else if (((N * 3) & 3) == 3) c.push_back('+'), N = N * 3 + 1;
		else c.push_back('-'), N = N * 3 - 1;
	}

	cout << c.size() << '\n' << c << '\n';
	return 0;
}