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

int main() {
  cin.tie(0);
  ios::sync_with_stdio(false);
  
  int n, t;
  cin >> n >> t;
  
  vector<int> a(n);
  for (int i = 0; i < n; i++) cin >> a.at(i);
  
  vector<vector<string>> dp(n, vector<string>(t + 1, ""));
  dp[0][a[0]] += '!';
  for (int i = 0; i < n - 1; i++) {
    for (int j = 0; j <= t; j++) {
      if (dp[i][j] == "") continue;
      if (j + a[i + 1] <= t) {
        string keep = dp[i][j] + '+';
        if (dp[i + 1][j + a[i + 1]] == "") dp[i + 1][j + a[i + 1]] = keep;
        else if (dp[i + 1][j + a[i + 1]] < keep) dp[i + 1][j + a[i + 1]] = keep;
      }
      if (j * a[i + 1] <= t) {
        string keep = dp[i][j] + '*';
        if (dp[i + 1][j * a[i + 1]] == "") dp[i + 1][j * a[i + 1]] = keep;
        else if (dp[i + 1][j * a[i + 1]] < keep) dp[i + 1][j * a[i + 1]] = keep;
      }
    }
  }
  
  string ans = dp[n - 1][t].substr(1);
  cout << ans << '\n';
}