#include "bits/stdc++.h"
using namespace std;
#define FOR(i,j,k) for(int (i)=(j);(i)<(int)(k);++(i))
#define rep(i,j) FOR(i,0,j)
#define each(x,y) for(auto &(x):(y))
#define mp make_pair
#define all(x) (x).begin(),(x).end()
#define debug(x) cout<<#x<<": "<<(x)<<endl
#define smax(x,y) (x)=max((x),(y))
#define smin(x,y) (x)=min((x),(y))
#define MEM(x,y) memset((x),(y),sizeof (x))
#define sz(x) (int)(x).size()
typedef long long ll;
typedef pair<int, int> pii;
typedef vector<int> vi;
typedef vector<ll> vll;

string dp[51][100001], MI = "!";

int main(){
    int N, T;
    cin >> N >> T;
    vi A(N); rep(i, N)cin >> A[i];
    rep(i, N + 1)rep(j, T + 1)dp[i][j] = MI;
    dp[1][A[0]] = "";
    FOR(i, 1, N)rep(j, T + 1)if(dp[i][j]!=MI){
        int x = j + A[i], y = j*A[i];
        if(x <= T)smax(dp[i + 1][x], dp[i][j] + '+');
        if(y <= T)smax(dp[i + 1][y], dp[i][j] + '*');
    }
    cout << dp[N][T] << endl;
}