#include <iostream>
#include <iomanip>
#include <vector>
#include <algorithm>
#include <numeric>
#include <functional>
#include <cmath>
#include <queue>
#include <stack>
#include <set>
#include <map>
#include <sstream>
#include <string>

#define repd(i,a,b) for (int i=(a);i<(b);i++)
#define rep(i,n) repd(i,0,n)
#define var auto
#define mod 1000000007
#define nil -1
typedef long long ll;

using namespace std;

inline int input(){
    int a;
    cin >> a;
    return a;
}

template <typename T>
inline void output(T a, int p) {
    if(p){
        cout << fixed << setprecision(p)  << a << "\n";
    }
    else{
        cout << a << "\n";
    }
}

// end of template

int main() {
    cin.tie(0);
    // source code
    int N = input();
    int T = input();
    vector<int> A(N);
    rep(i, N){
        cin >> A[i];
    }
    
    ll inf = 1 << (N + 1);
    vector<ll> dp(T + 1, inf), sub(T + 1, inf);
    dp[0] = 0;
    
    rep(i, N){
        sub.assign(T + 1, inf);
        rep(j, T + 1){
            if (j + A[i] <= T) {
                sub[j + A[i]] = min(sub[j + A[i]], dp[j] * 2);
            }
            if (j * A[i] <= T) {
                sub[j * A[i]] = min(sub[j * A[i]], dp[j] * 2 + 1);
            }
        }
        dp = sub;
    }
    
    // output(dp[T], 0);
    
    string ret = "";
    
    for (int i = N - 2; i >= 0; i--) {
        if (dp[T] % 2) ret += '*', dp[T] = (dp[T] - 1) / 2;
        else ret += '+', dp[T] /= 2;
    }
    
    reverse(ret.begin(), ret.end());
    output(ret, 0);
    
    
    return 0;
}