#include <iostream>
#include <string>
using namespace std;

int n;
int t;
int nums[50];
char op[50];
bool visited[50][100001];

void Calc(int current, int value) {
	if (value > t)
		return;

	if (current == n) {
		if (value < t)
			return;
		op[n - 1] = '\0';
		cout << string(op) << endl;
		exit(0);
	}

	if (visited[current][value])
		return;
	visited[current][value] = true;

	int op_index = current - 1;
	op[op_index] = '+';
	Calc(current + 1, value + nums[current]);
	op[op_index] = '*';
	Calc(current + 1, value * nums[current]);
}

int main() {
	cin >> n >> t;
	for (int i = 0; i < n; i++) {
		cin >> nums[i];
	}

	Calc(1, nums[0]);
	return 0;
}