#include<bits/stdc++.h>
using namespace std;
using Int = long long;
template<typename T1,typename T2> inline void chmin(T1 &a,T2 b){if(a>b) a=b;}
template<typename T1,typename T2> inline void chmax(T1 &a,T2 b){if(a<b) a=b;}

//INSERT ABOVE HERE
signed main(){
  Int n,t;
  cin>>n>>t;
  vector<Int> a(n);
  for(Int i=0;i<n;i++) cin>>a[i];

  reverse(a.begin(),a.end());
  vector<map<Int, string> > dp(n);
  dp[0][t]="";
  for(Int i=0;i+1<n;i++){
    for(auto &p:dp[i]){
      Int x=p.first;
      string &s=p.second;
      if(x%a[i]==0){
        Int nx=x/a[i];
        string ns='*'+s;
        if(!dp[i+1].count(nx)) dp[i+1][nx]=ns;
        chmax(dp[i+1][nx],ns);
      }
      if(x-a[i]>=0){
        Int nx=x-a[i];
        string ns='+'+s;
        if(!dp[i+1].count(nx)) dp[i+1][nx]=ns;
        chmax(dp[i+1][nx],ns);
      }
    }
  }
  
  cout<<dp[n-1][a[n-1]]<<endl;
  return 0;
}