#include <algorithm>
#include <cstdio>
#include <cstdlib>
#include <cctype>
#include <cmath>
#include <iostream>
#include <queue>
#include <list>
#include <map>
#include <numeric>
#include <set>
#include <sstream>
#include <string>
#include <vector>
using namespace std;
#define REP(i,a,n) for(int i=(a); i<(int)(n); i++)
#define rep(i,n) REP(i,0,n)
#define FOR(it,c) for(__typeof((c).begin()) it=(c).begin(); it!=(c).end(); ++it)
#define ALLOF(c) (c).begin(), (c).end()
typedef long long ll;

int dp[55][100005];
int type[55][100005];

int main(){
  int N, total, a;
  vector<int> A;
  
  cin >> N;
  cin >> total;
  rep(i,N){
    cin >> a;
    A.push_back(a);
  }

  dp[0][A[0]] = 1;
  
  REP(i,1,N){
    rep(j,total+1){
      if(dp[i-1][j] == 1){
        if(j+A[i]<=total){
          if(dp[i][j+A[i]] == 0){
            dp[i][j+A[i]] = 1;
            type[i][j+A[i]] = 1;
          }
          else if(type[i][j+A[i]] == 2){
            type[i][j+A[i]] = 3;
          }
        }

        if(j*A[i]<=total){
          if(dp[i][j*A[i]] == 0){
            dp[i][j*A[i]] = 1;
            type[i][j*A[i]] = 2;
          }
          else if(type[i][j+A[i]] == 1){
            type[i][j+A[i]] = 3;
          }
        }
      }
    }
  }

  dp[N-1][total] = 2;
  for(int i=N-2; i>=0; i--){
    rep(j,total+1){
      if(j+A[i]<=total && dp[i+1][j+A[i]] == 2) dp[i][j] = 2;
      if(j*A[i]<=total && dp[i+1][j*A[i]] == 2) dp[i][j] = 2;
    }
  }
  vector<int> ret;
  int n = A[0];
  REP(i,1,N){
    if(n+A[i]<=total && dp[i][n+A[i]] == 2){
      ret.push_back(1);
      n += A[i];
    }else if(n*A[i]<=total && dp[i][n*A[i]] == 2){
      ret.push_back(2);
      n *= A[i];
    }
  }

  rep(i,ret.size()){
    if(ret[i] == 1){
      cout << "+";
    }else{
      cout << "*";
    }
  }
  cout << endl;
  
  return 0;
}