#include <iostream>
#include <cstring>
using namespace std;

int N;
int total;
int A[50];
unsigned long long dp[51][200000];
int main() {
  cin >> N >> total;
  for(int i = 0; i < N; i++) cin >> A[i];
  memset(dp, -1, sizeof(dp));
  dp[1][A[0]] = 0;
  for(int i = 1; i < N; i++) {
    for(int j = 0; j <= total; j++) {
      if(dp[i][j] != -1) {
        if(j * A[i] <= total) dp[i + 1][j * A[i]] = min(dp[i + 1][j * A[i]], dp[i][j] * 2 + 1);
        if(j + A[i] <= total) dp[i + 1][j + A[i]] = min(dp[i + 1][j + A[i]], dp[i][j] * 2);
      }
    }
  }
  string s;
  for(int i = N; i >= 2; i--) {
    if(dp[N][total] % 2 == 0) {
      s = "+" + s;
    }else{
      s = "*" + s;
    }
    dp[N][total] /= 2;
  }
  cout << s << endl;
}