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

int main(){
  long long int N,T;
  cin >> N >> T;
  vector<vector<vector<bool>>> dp(N,vector<vector<bool>>(T+1,vector<bool>(2,false)));
  vector<long long int> A(N);
  for(int i=0;i<N;i++) cin >> A[i];
  dp[0][A[0]][0] = true;
  for(int i=1;i<N;i++){
    for(long long int j=0;j<=T;j++){
      for(int k=0;k<2;k++){
        if(dp[i-1][j][k]){
          if(j+A[i] <= T){
            dp[i][j+A[i]][0] = true;
          }
          if(j*A[i] <= T){
            dp[i][j*A[i]][1] = true;
          }
        }
      }
    }
  }
  vector<vector<bool>> OK(N,vector<bool>(T+1,false));
  OK[N-1][T] = true;
  for(int i=N-1;i>=1;i--){
    for(int j=0;j<=T;j++){
      if(OK[i][j]){
        if(dp[i][j][0]) OK[i-1][j-A[i]] = true;
        if(dp[i][j][1]) OK[i-1][j/A[i]] = true;
      }
    }
  }
  string S = "";
  int now = A[0];
  for(int i=1;i<N;i++){
    if(OK[i][now+A[i]]){
      now += A[i];
      S += "+";
    }
    else{
      now *= A[i];
      S += "*";
    }
  }
  cout << S << endl;
}