#include <algorithm>
#include <iostream>
#include <cstdio>
#include <map>
#include <numeric>
#include <cmath>
#include <set>
#include <sstream>
#include <string>
#include <vector>
#include <queue>
#include <complex>
#include <string.h>
#include <unordered_set>
using namespace std;

#define endl '\n'
#define all(v) (v).begin(), (v).end()
#define uniq(v) (v).erase(unique((v).begin(), (v).end()), (v).end())

typedef long long ll;
typedef pair<int, int> P;
typedef unsigned int uint;

const int inf = 1000000009;
int n, t;
int as[51];
char res[51];
set<P> memo;

bool dfs(int k, int num) {
    if (memo.count(P(k, num)) > 0) return false;
    if (k == n) {
	return num == t;
    } else {
	if (num + as[k] <= t && dfs(k+1, num+as[k])){
	    res[k-1] = '+';
	    return true;
	}
	if (num * as[k] <= t && dfs(k+1, num*as[k])) {
	    res[k-1] = '*';
	    return true;
	}
	memo.insert(P(k, num));
	return false;
    }
}

int main() {
    scanf("%d%d", &n, &t);
    for (int i = 0; i < n; i++)
	scanf("%d", &as[i]);

    dfs(1, as[0]);
    for (int i = 0; i < n-1; i++)
	printf("%c", res[i]);
    printf("\n");
}