import java.math.BigInteger;
import java.util.Scanner;
import java.io.PrintWriter;
import java.util.ArrayList;
public class main{
	static int n;
	static int t;
	static int[] a;
	static boolean[][] dp;
	static void dfs(int now,int sum,ArrayList<Character> result){
		//System.out.println("now="+now+" sum="+sum);
		if(now==n-1){
			if(sum==t){
				for(char g:result){
					System.out.print(g);
				}
			}
			return;
		}
		if(sum>t)return;
		if(dp[sum][now])return;
		dp[now][sum]=true;
		result.add('+');
		dfs(now+1,sum+a[now+1],result);
		result.remove(result.size()-1);
		result.add('*');
		dfs(now+1,sum*a[now+1],result);
		result.remove(result.size()-1);
		return;
	}
	public static void main(String args[]){
		 Scanner sc=new Scanner(System.in);
		 n=sc.nextInt();
		 t=sc.nextInt();
		 a=new int[n];
		 for(int i=0;i<n;i++){
			 a[i]=sc.nextInt();
		 }
		 dp=new boolean[51][10001];
		 dfs(0,a[0],new ArrayList<Character>());
		 
		 
		 sc.close();
	}
}