#include<iostream>
#include<cmath>
#include<string>

using namespace std;

#define NMAX 50
#define TotalMAX 100
int main(){
	
	int N,Total;
	int A[NMAX];
	string 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]="NO";
		}
	}

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

	for(int i=1;i<N;i++){
		for(int j=0;j<=TotalMAX;j++){
			if(dp[i-1][j]!="NO"){
				if(j+A[i]<=TotalMAX){
					if(dp[i][j+A[i]]=="NO"||dp[i-1][j]+"+">dp[i][j+A[i]]){
						dp[i][j+A[i]]=dp[i-1][j]+"+";
					}
				}
				if(j*A[i]<=TotalMAX){
					if(dp[i][j*A[i]]=="NOT"||dp[i-1][j]+"*">dp[i][j*A[i]]){
						dp[i][j*A[i]]=dp[i-1][j]+"*";
					}
				}
			}
		}
	}

	cout<<dp[N-1][Total]<<endl;
}