using System;
using System.Globalization;

namespace No10{
    public class Program{
        public static void Main(string[] args){
            var sr = new StreamReader();
            //---------------------------------
            var N = sr.Next<int>();
            var total = sr.Next<int>();
            var an = sr.Next<int>(N);

            var end = false;
            var dp = new bool[N, total + 1];

            Action<int, int, string> dfs = null;
            dfs = (i, x, op) =>{
                if(x == total && i == N){
                    end = true;
                    Console.WriteLine(op);
                    return;
                }
                if(x > total || i == N || dp[i, x] || end) return;

                dp[i, x] = true;
                dfs(i + 1, x + an[i], op + '+');
                dfs(i + 1, x * an[i], op + '*');
            };

            dfs(1, an[0], "");
            //---------------------------------
        }
    }

    public class StreamReader{
        private readonly char[] _c = {' '};
        private int _index = -1;
        private string[] _input = new string[0];

        public T Next<T>(){
            if(_index == _input.Length - 1){
                _index = -1;
                while(true){
                    var rl = Console.ReadLine();
                    if(rl == null){
                        if(typeof(T).IsClass) return default(T);
                        return (T)typeof(T).GetField("MinValue").GetValue(null);
                    }
                    if(rl != ""){
                        _input = rl.Split(_c, StringSplitOptions.RemoveEmptyEntries);
                        break;
                    }
                }
            }
            return (T)Convert.ChangeType(_input[++_index], typeof(T), CultureInfo.InvariantCulture);
        }

        public T[] Next<T>(int x){
            var ret = new T[x];
            for(var i = 0; i < x; ++i) ret[i] = Next<T>();
            return ret;
        }

        public T[][] Next<T>(int y, int x){
            var ret = new T[y][];
            for(var i = 0; i < y; ++i) ret[i] = Next<T>(x);
            return ret;
        }
    }
}