#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>
#include <unordered_map>
using namespace std;

#define endl '\n'
#define all(v) (v).begin(), (v).end()
#define rall(v) (v).rbegin(), (v).rend()
#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;
struct pairhash {
public:
    template<typename T, typename U>
    size_t operator()(const pair<T, U> &x) const {
	size_t seed = hash<T>()(x.first);
	return hash<U>()(x.second) + 0x9e3779b9 + (seed<<6) + (seed>>2);
    }
};

const int inf = 1000000009;

int n, t;
int as[51];
char res[51];
bool memo[51][100010];

bool dfs(int k, int num) {
    if (memo[k][num]) 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[k][num] = true;
	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");
}