#include <bits/stdc++.h>
using namespace std;
using ll = long long;
#define rep(i,n) for(int i=0;i<(int)(n);i++)

int main(){
	ll n;
	cin>>n;
	string ans;
	while(n>1){
		if(n&1){
			if(n%4==1){
				ans.push_back('+');
				n=n*3+1;
			}else{
				ans.push_back('-');
				n=n*3-1;
			}
		}else{
			ans.push_back('/');
			n/=2;
		}
	}
	cout<<ans.size()<<endl;
	cout<<ans<<endl;
}