#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[N - 1][Total] = 1;

    for (int i = N - 2; i >= 0; i--) {
        for (int x = 0; x <= Total; x++) {
            if (memo[i + 1][x]) {
                if (x - A[i + 1] >= 0)
                    memo[i][x - A[i + 1]] = 1;
                if (x % A[i + 1] == 0 && !memo[i][x / A[i + 1]]) {
                    memo[i][x / A[i + 1]] = 2;
                }
            }
        }
    }

    string ans;
    int tot = A[0];
    for (int i = 0; i < N - 1; i++) {
        if (memo[i][tot] == 1) {
            ans.push_back('+');
            tot += A[i + 1];
        } else if (memo[i][tot] == 2) {
            ans.push_back('*');
            tot *= A[i + 1];
        } else {
            cerr << "error" << endl;
        }
    }
    cout << ans << endl;
}