using System;
using System.IO;
using System.Linq;
using System.Text;
using System.Diagnostics;
using System.Collections.Generic;
using System.Text.RegularExpressions;
using Enu = System.Linq.Enumerable;

class Program
{
    void Solve()
    {
        int N = reader.Int();
        int Result = reader.Int();
        var A = reader.IntArray(N);
        bool[,] seen = new bool[N, Result + 1];
        long[,] dp = new long[N, Result + 1];
        Func<int, long> BitAt = i => 1L << (N - 2 - i);

        for (int i = 0; i < N; i++)
            for (int r = 0; r <= Result; r++)
                dp[i, r] = long.MaxValue;
        dp[0, A[0]] = 0;
        seen[0, A[0]] = true;

        Action<int, int, long> Update = (i, x, mask) =>
        {
            if (x > Result) return;
            seen[i, x] = true;
            CheckMin(ref dp[i, x], mask);
        };

        for (int i = 0; i + 1 < N; i++)
            for (int x = 0; x <= Result; x++)
                if (seen[i, x])
                {
                    Update(i + 1, x + A[i + 1], dp[i, x]);
                    Update(i + 1, x * A[i + 1], dp[i, x] + BitAt(i));
                }

        long best = dp[N - 1, Result];
        var cs = Enu.Range(0, N - 1).Reverse().Select(i => "+*"[(int)(best >> i & 1)]).ToArray();
        Console.WriteLine(new string(cs));
    }

    void CheckMin(ref long a, long b) { if (b < a) a = b; }



    Reader reader = new Reader(Console.In);
    static void Main() { new Program().Solve(); }
}

class Reader
{
    private readonly TextReader reader;
    private readonly char[] separator = { ' ' };
    private readonly StringSplitOptions removeOp = StringSplitOptions.RemoveEmptyEntries;
    private string[] A = new string[0];
    private int i;

    public Reader(TextReader r) { reader = r; }
    public bool HasNext() { return Enqueue(); }
    public string String() { return Dequeue(); }
    public int Int() { return int.Parse(Dequeue()); }
    public long Long() { return long.Parse(Dequeue()); }
    public double Double() { return double.Parse(Dequeue()); }
    public int[] IntLine() { var s = Line(); return s == "" ? new int[0] : Array.ConvertAll(Split(s), int.Parse); }
    public int[] IntArray(int N) { return Enu.Range(0, N).Select(i => Int()).ToArray(); }
    public int[][] IntGrid(int H) { return Enu.Range(0, H).Select(i => IntLine()).ToArray(); }
    public string[] StringArray(int N) { return Enu.Range(0, N).Select(i => Line()).ToArray(); }
    public string Line() { return reader.ReadLine().Trim(); }
    private string[] Split(string s) { return s.Split(separator, removeOp); }
    private bool Enqueue()
    {
        if (i < A.Length) return true;
        string line = reader.ReadLine();
        if (line == null) return false;
        if (line == "") return Enqueue();
        A = Split(line);
        i = 0;
        return true;
    }
    private string Dequeue() { Enqueue(); return A[i++]; }
}