#include <algorithm>
#include <iostream>
#include <vector>
#include <cassert>
using namespace std;
template<class T> inline bool chmax(T &a, T b) { return a < b ? (a = b, 1) : 0; }

int main() {
    assert("*" < "+" && "+" < "@");
    int n; cin >> n;
    int total; cin >> total;
    vector<int> a(n);
    for (auto &ai: a) cin >> ai;
    vector<vector<string>> dp(n, vector<string>(total + 1));
    dp[0][a[0]] = "@";
    for (int i = 0; i + 1 < n; i++) for (int j = 0; j <= total; j++) {
        if (j + a[i + 1] <= total) {
            chmax(dp[i + 1][j + a[i + 1]], dp[i][j] + "+");
        }
        if (j * a[i + 1] <= total) {
            chmax(dp[i + 1][j * a[i + 1]], dp[i][j] + "*");
        }
    }
    cout << dp.back()[total].substr(1) << endl;
    return 0;
}