#include <cstdio>
#include <iostream>
#include <sstream>
#include <fstream>
#include <iomanip>
#include <algorithm>
#include <cmath>
#include <string>
#include <vector>
#include <list>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <bitset>
#include <numeric>
#include <limits>
#include <climits>
#include <cfloat>
#include <functional>
using namespace std;

int main()
{
    int n, total;
    cin >> n >> total;
    vector<int> a(n);
    for(int i=0; i<n; ++i)
        cin >> a[i];

    vector<vector<int> > dp(n, vector<int>(total+1, 0));
    dp[n-1][total] = -1;
    for(int i=n-2; i>=0; --i){
        for(int j=0; j<=total; ++j){
            int x = j + a[i+1];
            int y = j * a[i+1];

            if(x <= total && dp[i+1][x] != 0)
                dp[i][j] = 1;
            else if(y <= total && dp[i+1][y] != 0)
                dp[i][j] = 2;
        }
    }

    string ret;
    int x = a[0];
    for(int i=0; i<n-1; ++i){
        if(dp[i][x] == 1){
            ret += '+';
            x += a[i+1];
        }
        else{
            ret += '*';
            x *= a[i+1];
        }
    }
    cout << ret << endl;

    return 0;
}