#include <algorithm>
#include <iostream>
#include <string>
#include <vector>

int main() {
    using namespace std;
    int n, tot;
    cin >> n >> tot;
    vector<int> a(n);
    for (auto &e : a) { cin >> e; }

    vector used(n, vector<bool>(tot + 1, false));
    auto dfs = [&](auto dfs, int i, int x, string s) -> void {
        if (i == n) {
            if (x == tot) {
                cout << s << endl;
                exit(0);
            }
            return;
        }
        if (x + a[i] <= tot && !used[i][x + a[i]]) {
            used[i][x + a[i]] = true;
            dfs(dfs, i + 1, x + a[i], s + "+");
        }
        if (x <= tot / a[i] && !used[i][x * a[i]]) {
            used[i][x * a[i]] = true;
            dfs(dfs, i + 1, x * a[i], s + "*");
        }
    };
    dfs(dfs, 1, a[0], "");
}