#include <fstream>

std::ifstream fin("semne.in");
std::ofstream fout("semne.out");

const int NMAX = 5 * 1e4 + 1;

char sgn[NMAX];

int n;
long long a[NMAX], _s, s;

bool solve(long long sum, int n)
{
	if (sum < s)
		return false;
	if (sum == s)
		return true;
	for (int i = n; i >= 0; --i)
	{
		sgn[i] = '-';
		if (solve(sum - 2 * a[i], i - 1))
			return true;
		sgn[i] = '+';
	}
	return false;
}

int main()
{
	fin >> n >> s;
	for (int i = 0; i < n; ++i)
	{
		fin >> a[i];
		_s += a[i];
		sgn[i] = '+';
	}

	solve(_s, n - 1);

	fout << sgn << "\n";

	fout.close();
	return 0;
}