#include <iostream>
using namespace std;

int N;
int Total;
int A[50];

void input(istream& in)
{
	in >> N;
	in >> Total;
	for (int i = 0; i < N; i++) in >> A[i];
}

int dp[50][100000+1];

char s[50];
int si;

const char *resolve()
{
	dp[N - 1][Total] = 1;
	for (int i = N - 2; i >= 0; i--) {
		for (int j = 0; j <= Total; j++) {
			if (j + A[i + 1] <= Total && dp[i + 1][j + A[i + 1]]) {
				dp[i][j] |= 2;
			}
			if (j * A[i + 1] <= Total && dp[i + 1][j * A[i + 1]]) {
				dp[i][j] |= 1;
			}
		}
	}

	si = 0;
	int j = A[0];
	for (int i = 1; i < N; i++) {
		if (dp[i - 1][j] & 2) {
			s[si++] = '+';
			j += A[i];
		}
		else {
			s[si++] = '*';
			j *= A[i];
		}
	}
	s[si] = 0;
	return s;
}

int main(int argc, char **argv)
{
	input(cin);
	cout << resolve() << endl;
	return 0;
}