#define _USE_MATH_DEFINES
 
#include <iostream>
#include <iomanip>
#include <sstream>
 
#include <algorithm>
#include <cmath>
 
#include <string>
//#include <array>
#include <list>
#include <queue>
#include <vector>
#include <complex>
#include <set>
#include <map>
 
/////////
#define REP(i, x, n) for(int i = x; i < n; i++)
#define rep(i,n) REP(i,0,n)
#define P(p) cout<<(p)<<endl;
 
#define PII pair<int,int>
/////////
typedef long long LL;
typedef long double LD;
/////////
using namespace::std;
/////////
int A[50];

int solve(int tot,int n){//nまで計算してtot
	if(n == 0){
		if(tot == A[n]){
			return 0;
		}else{
			return -1;
		}
	}
	int res = -1;
	if(tot >= A[n]){
		res = solve(tot-A[n],n-1);
		if( res == 0){
			cout << "+";
			return res;
		}
	}
	
	if( tot % A[n] == 0){
		res = solve(tot/A[n],n-1);
		if( res == 0){
			cout << "*";
			return res;
		}
	}
	return res;
}
int main(void){
    std::cin.tie(0); 
    std::ios::sync_with_stdio(false);
    std::cout << std::fixed;//
    //cout << setprecision(16);//
	
	int N,total;
	cin>>N>>total;
	rep(i,N){//[0-N) 0ori N個
		cin>>A[i];
	}
	solve(total,N-1);
	cout << endl;
	return 0;
}