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

int memo[51][100010];
int main() {
    int N, Total, A[60];
    cin >> N >> Total;
    for (int i = 0; i < N; i++)
        cin >> A[i];
    memo[0][A[0]] = 1;
    for (int i = 1; i < N; i++) {
        for (int x = 0; x <= Total; x++) {
            if (memo[i - 1][x]) {
                if (A[i] + x <= Total) {
                    memo[i][x + A[i]] = 1;
                }
                if (A[i] * x <= Total && !memo[i][x * A[i]]) {
                    memo[i][x * A[i]] = 2;
                }
            }
        }
    }

    string ans;
    int tot = Total;
    for (int i = N - 1; i > 0; i--) {
        if (memo[i][tot] == 1) {
            ans.push_back('+');
            tot -= A[i];
        } else {
            ans.push_back('*');
            tot /= A[i];
        }
    }
    reverse(ans.end(), ans.begin());
    cout << ans << endl;
}