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

int main(void) {
    int N, Total;
    cin >> N >> Total;
    int A[N];
    for (int i = 0; i < N; i++) {
        cin >> A[i];
    }

    string turtle[Total + 1];
    for (int i = 0; i < Total + 1; i++) {
        turtle[i] = "!";
    }
    turtle[A[0]] = "";
    for (int i = 1; i < N; i++) {
        for (int j = Total; j >= 0; j--) {
            if (turtle[j][0] != '!' && turtle[j].size() == i - 1) {
                if (j + A[i] <= Total) {
                    string cand = turtle[j] + "+";
                    if (cand.size() > turtle[j+A[i]].size() || cand.compare(turtle[j+A[i]]) > 0) {
                        turtle[j+A[i]] = cand;
                    }
                }
                if (j * A[i] <= Total) {
                    string cand = turtle[j] + "*";
                    if (cand.size() > turtle[j*A[i]].size() || cand.compare(turtle[j*A[i]]) > 0) {
                        turtle[j*A[i]] = cand;
                    }
                }
            }
        }
    }

    cout << turtle[Total] << endl;
    
    return 0;
}