#include <bits/stdc++.h>
using namespace std;
//#include <atcoder/all>
//using namespace atcoder;
using ll=long long;
using Graph=vector<vector<int>>;
#define MAX 1000000
//#define MOD 1000000007
#define MOD 998244353
//#define INF 1000000000
#define INF 1000000000000000000

int main(){
  int N;
  int S;
  cin>>N>>S;
  vector<int> A(N);
  for(int i=0;i<N;i++){
    cin>>A[i];
  }
  vector<vector<bool>> dp(N,vector<bool>(S+1,false));
  dp[N-1][S]=true;
  for(int i=N-2;i>=0;i--){
    for(int j=0;j<=S;j++){
      if(j+A[i+1]<=S){
        dp[i][j]=dp[i][j]|dp[i+1][j+A[i+1]];
      }
      if(j*A[i+1]<=S){
        dp[i][j]=dp[i][j]|dp[i+1][j*A[i+1]];
      }
    }
  }
  assert(dp[0][A[0]]);
  int j=A[0];
  //cout<<"hello"<<endl;
  for(int i=0;i<N-1;i++){
    if(j+A[i+1]<=S&&dp[i+1][j+A[i+1]]){
      j+=A[i+1];
      cout<<'+';
    }else{
      j*=A[i+1];
      cout<<'*';
    }
  }
  cout<<endl;
}