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

using Int32 = int_fast32_t;
using Word32 = uint_fast32_t;
using Int64 = int_fast64_t;
using Word64 = uint_fast64_t;
using Int128 = __int128_t;
using Word128 = __uint128_t;
using Int = int_fast64_t;
using Word = uint_fast64_t;
using F32 = float;
using F64 = double;
using F80 = long double;
using VInt = vector<Int>;
using VVI = vector<VInt>;
using VWord = vector<Word>;
using VVW = vector<VWord>;
using VF32 = vector<F32>;
using VF64 = vector<F64>;
using VF80 = vector<F80>;
using VS = vector<string>;
using VVS = vector<VS>;
using VB = vector<bool>;
using VVB = vector<VB>;
using PII = pair<Int,Int>;
using PWW = pair<Word,Word>;
using VPII = vector<PII>;
using VPWW = vector<PWW>;
using PQ_PII = priority_queue<PII, VPII, greater<PII>>;

#define SZ(x) ((Int)(x).size())
#define UNIQUE(v) v.erase(unique(v.begin(), v.end()), v.end())
#define rep(i,n) for(Int i=0, i##_len=(n); i<i##_len; ++i)
#define reps(i,n) for(Int i=0, i##_len=(n); i<=i##_len; ++i)
#define Range(i,a,b) for(Int i=(a); i<=(Int)(b); i++)
#define ALL(x) (x).begin(),(x).end()
#define RALL(x) (x).rbegin(),(x).rend()
#define pb push_back
#define eb emplace_back
#define mp make_pair

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  Int n;
  cin >> n;
  Int total;
  cin >> total;
  VInt a(n);
  rep(i,n) cin >> a[i];
  string ans;
  VVB dp(n, VB(total + 1));
  auto dfs = [&](auto dfs, Int i, Int res) {
    if (res > total) {
      return;
    }
    if (i == n && res == total) {
      cout << ans << '\n';
      return;  
    }
    if (dp[i][res]) {
      return;
    }
    dp[i][res] = true;
    ans += '+', dfs(dfs, i + 1, res + a[i]), ans.pop_back();
    ans += '*', dfs(dfs, i + 1, res * a[i]), ans.pop_back();
  };
  dfs(dfs, 1, a[0]);
  return 0;
}