#include<bits/stdc++.h>
using namespace std;
using LL = long long;
using ULL = unsigned long long;
#define rep(i,n) for(int i=0; i<(n); i++)

int N, Res;
int A[50];
bool dp[50][100001] = {};

int main() {
    cin >> N >> Res;
    rep(i, N) cin >> A[i]; reverse(A, A + N);
    dp[0][Res] = true;
    for (int i = 0; i < N - 1; i++) {
        rep(j, 100001) {
            if (j % A[i] == 0) dp[i + 1][j / A[i]] = dp[i + 1][j / A[i]] || dp[i][j];
            if (j - A[i] >= 0) dp[i + 1][j - A[i]] = dp[i + 1][j - A[i]] || dp[i][j];
        }
    }

    string ans;
    int p = A[N - 1];
    for (int i = N - 2; i >= 0; i--) {
        if (p + A[i] <= 100000) if (dp[i][p + A[i]]) {
            ans += "+"; p = p + A[i];
            continue;
        }
        ans += "*"; p = p * A[i];
    }

    cout << ans << endl;

    return 0;
}