#include<bits/stdc++.h>
using namespace std;
using ll = long long;
int main(){
    int n;
    int t;
    cin>>n>>t;
    vector<int> a(n);
    for(int i = 0;i<n;i++) cin>>a[i];
    vector<vector<int> > dp(n+1,vector<int>(t+1,0));
    dp[n][t] = 1;
    for(int i = n;i>=1;i--){
        for(int j = 0;j<=t;j++){
            if(dp[i][j]==0) continue;
            int nj = j - a[i-1];
            if(nj>=0) dp[i-1][nj] = 1;
            if(j%a[i-1]==0){
                nj = j / a[i-1];
                dp[i-1][nj] = 1;
            }
        }
    }
    assert(dp[1][a[0]]==1);
    string ans = "";
    int now = a[0];
    for(int i = 1;i<n;i++){
        int nxt = now + a[i];
        if(nxt<=t&&dp[i+1][nxt]){
            now = nxt;
            ans += "+";
        }else{
            now = now * a[i];
            ans += "*";
        }
    }
    cout<<ans<<endl;
}