//#define _GLIBCXX_DEBUG
#include <bits/stdc++.h>
#define rep(i, n) for(int i=0; i<n; ++i)
#define all(v) v.begin(), v.end()
#define rall(v) v.rbegin(), v.rend()
using namespace std;
using ll = int64_t;
using ld = long double;
using P = pair<int, int>;
using vs = vector<string>;
using vi = vector<int>;
using vvi = vector<vi>;
template<class T> using PQ = priority_queue<T>;
template<class T> using PQG = priority_queue<T, vector<T>, greater<T> >;
const int INF = 100010001;
const ll LINF = (ll)INF*INF*10;
template<typename T1, typename T2>
inline bool chmax(T1 &a, T2 b) {return a < b && (a = b, true);}
template<typename T1, typename T2>
inline bool chmin(T1 &a, T2 b) {return a > b && (a = b, true);}
template<typename T1, typename T2>
istream &operator>>(istream &is, pair<T1, T2> &p) { return is >> p.first >> p.second;}
template<typename T1, typename T2>
ostream &operator<<(ostream &os, const pair<T1, T2> &p) { return os << p.first << ' ' << p.second;}

const int X = 1e5+1;

//head

int n;
int tot;
int a[50];
bitset<X> dp[51];
bitset<X> *now, *pre;
vi pl[50];

int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  cin >> n;
  cin >> tot;
  rep(i, n) cin >> a[i];

  dp[0].set(0);
  now = dp+1;
  pre = dp;
  rep(i, n) {
    rep(j, X) {
      if(pre->test(j)) {
        if(j+a[i] < X) now->set(j+a[i]);
        if(ll(j)*a[i] < X) now->set(j*a[i]);
      }
    }
    pre = now;
    now++;
  }

  pl[n-1].emplace_back(tot);
  for(int i = n-2; i >= 0; i--) {
    for(int x:pl[i+1]) {
      if(x > a[i+1] and dp[i+1].test(x-a[i+1])) pl[i].emplace_back(x-a[i+1]);
      if(x%a[i+1] == 0 and dp[i+1].test(x/a[i+1])) pl[i].emplace_back(x/a[i+1]);
    }
  }

  int now = a[0];
  rep(i, n-1) {
    if(find(all(pl[i+1]), now+a[i+1]) != pl[i+1].end()) {
      now += a[i+1];
      cout << '+';
    } else {
      now *= a[i+1];
      cout << '*';
    }
  }

  cout << endl;
}