using System;
using System.Collections.Generic;
using System.Linq;

namespace No10_1{
    public class Program{
        public static int n = Read(Convert.ToInt32);
        public static int total = Read(Convert.ToInt32);
        public static List<int> an = ReadList(Convert.ToInt32);
        public static Stack<bool> stk = new Stack<bool>(); 
        public static void Main(string[] args){
            an.Insert(0, 0);
            Solve(true, 0, 0);

            stk.Pop();
            stk.Pop();

            var result = "";
            foreach(var s in stk){
                result += s ? "+" : "*";
            }
            Console.WriteLine(result);
        }
        public static bool Solve(bool op, int sum, int cnt){
            if(sum == total && cnt == n + 1) return true;
            if(sum > total || cnt > n) return false;

            if(Solve(true, sum + an[cnt], cnt + 1)){
                stk.Push(true);
                return true;
            }
            if(Solve(false, sum * an[cnt], cnt + 1)) {
                stk.Push(false);
                return true;
            }
            return false;
        }

        public static TOutput Read<TOutput>(Converter<string, TOutput> converter){
            return converter(Console.ReadLine());
        }

        public static List<TOutput> ReadList<TOutput>(Converter<string, TOutput> converter, char c = ' '){
            return Console.ReadLine()?.Split(c).ToList().ConvertAll(converter);
        }
    }
}