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

int main(){
    cin.tie(0);
    ios::sync_with_stdio(0);
    
    int N,TOTAL; cin >> N >> TOTAL;
    vector<int> A(N);
    rep(i,N) cin >> A[i];

    vector<vector<int>> dp(N + 1, vector<int>(TOTAL + 1, 0));
    dp[N][TOTAL] = 1;
    for(int i = N - 1; i >= 0; i--) {
        for(int x = 0; x <= TOTAL; x++) {
            if(x - A[i] >= 0) dp[i][x - A[i]] |= dp[i + 1][x];
            if(x % A[i] == 0) dp[i][x / A[i]] |= dp[i + 1][x];
        }
    }

    int X = 0;
    string ans = "";
    rep(i,N) {
        if(dp[i + 1][X + A[i]]) {
            X += A[i];
            ans += '+';
        } else if(dp[i + 1][X * A[i]]) {
            X *= A[i];
            ans += '*';
        }
    }
    cout << ans.substr(1) << endl;
}