#include <iostream>
#include <string>
#include <utility>
#include <algorithm>
#include <map>
#include <set>
#include <vector>
#include <cmath>
#include <cstdlib>
#include <queue>
#include <stack>
#include <iomanip>

using namespace std;

#define REP(i, n) for(ll i = 0;i < n;i++)
#define REPR(i, n) for(ll i = n;i >= 0;i--)
#define FOR(i, m, n) for(ll i = m;i < n;i++)
#define FORR(i, m, n) for(ll i = m;i >= n;i--)
#define REPO(i, n) for(ll i = 1;i <= n;i++)
#define ll long long
#define INF (ll)1 << 60
#define MINF (-1 * INF)
#define ALL(n) n.begin(),n.end()
#define MOD 1000000007
#define P pair<ll, ll>

ll n, d, s[60];
string ans;
bool dp[60][110000];
int main() {
	cin >> n >> d;
	REP(i, n) cin >> s[i];
	s[n] = d;
	dp[n][d] = true;
	FORR(i, n - 1, 1) {
		REP(j, 110000) {
			if (dp[i + 1][j]) {
				if (j % s[i] == 0)dp[i][j / s[i]] = true;
				if (j >= s[i])dp[i][j - s[i]] = true;
			}
		}
	}
	ll now = s[0];
	REPO(i, n - 1) {
		if (dp[i + 1][now + s[i]]) {
			ans.push_back('+');
			now += s[i];
		}
		else {
			ans.push_back('*');
			now *= s[i];
		}
	}
	cout << ans << endl;
}