#include<iostream>
#include<cmath>

using namespace std;

#define NMAX 50
#define TotalMAX 100000
int main(){
	
	int N,Total;
	int A[NMAX];
	int dp[50][TotalMAX+1];

	cin>>N;
	cin>>Total;

	for(int i=0;i<N;i++){
		cin>>A[i];
	}

	for(int i=0;i<N;i++){
		for(int j=0;j<=TotalMAX;j++){
			dp[i][j]=-1;
		}
	}

	dp[0][A[0]]=0;

	for(int i=1;i<N;i++){
		for(int j=0;j<=TotalMAX;j++){
			if(dp[i-1][j]!=-1){
				if(j+A[i]<=TotalMAX){
					if(dp[i][j+A[i]]==-1||dp[i-1][j]*10+0<dp[i][j+A[i]]){
						dp[i][j+A[i]]=dp[i-1][j]*10+0;
					}
				}
				if(j*A[i]<=TotalMAX){
					if(dp[i][j*A[i]]==-1||dp[i-1][j]*10+1<dp[i][j*A[i]]){
						dp[i][j*A[i]]=dp[i-1][j]*10+1;
					}
				}
			}
		}
	}

	int ans=dp[N-1][Total];

	for(int i=N-2;i>=0;i--){
		int ansA=(int)(ans/pow(10.0,i))%10;
		if(ansA==0) cout<<"+";
		else cout<<"*";
	}

	cout<<endl;
}