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


int main() {
	int N;
	cin >> N;
	int total;
	cin >> total;
	vector<long long> A(N);
	for (int i = 0; i < N; i++)
	{
		cin >> A[i];
	}

	long long inf = 1ll << N;

	vector<long long> dp(total + 1, inf);
	dp[A[0]] = 0;
	for (int i = 1; i < N; i++)
	{
		vector<long long> dp2(total + 1, inf);
		for (int j = 0; j <= total; j++)
		{
			if (dp[j] == inf) continue;
			if (j + A[i] <= total){
				dp2[j + A[i]] = min(dp2[j + A[i]], dp[j] * 2);
			}
			if (j * A[i] <= total){
				dp2[j * A[i]] = min(dp2[j * A[i]], dp[j] * 2 + 1);
			}
		}
		dp = dp2;
	}
	for (int i = 0; i < N - 1; i++)
	{
		if ((dp[total] >> (N - 2 - i)) % 2 == 1){
			cout << "*";
		}
		else cout << "+";
	}
	cout << endl;
	cin >> N;
}