import java.io.*;
import java.util.*;


class Main {
    public static void main(String[] args) {
        MyScanner sc = new MyScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out));
        int n=sc.nextInt();
        int total=sc.nextInt();
        int[]a=new int[n];
        for(int i=0;i<n;++i)a[i]=sc.nextInt();
        boolean[][]dp=new boolean[n][total+1];
        dp[n-1][total]=true;
        for(int i=n-1;i>=1;--i){
            for(int j=0;j<=total;++j){
                if(j+a[i]<=total&&dp[i][j+a[i]])
                    dp[i-1][j]=true;
                if(j*a[i]<=total&&dp[i][j*a[i]])
                    dp[i-1][j]=true;
            }
        }
        // keiro fukugen
        int[]ops=new int[n-1];
        int c=a[0];
        for(int i=1;i<n;++i){
            if(c+a[i]<=total&&dp[i][c+a[i]]){
                ops[i-1]=1;
                c+=a[i];
                continue;
            }
            ops[i-1]=2;
            c*=a[i];
        }
        for(int i=0;i<n-1;++i)
            out.print(ops[i]==1?"+":"*");
        out.println();
        out.close();
    }
    // http://codeforces.com/blog/entry/7018
    //-----------PrintWriter for faster output---------------------------------
    public static PrintWriter out;
    //-----------MyScanner class for faster input----------
    public static class MyScanner {
        BufferedReader br;
        StringTokenizer st;
        public MyScanner() {
            br = new BufferedReader(new InputStreamReader(System.in));
        }
        String next() {
            while (st == null || !st.hasMoreElements()) {
                try {
                    st = new StringTokenizer(br.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return st.nextToken();
        }
        int nextInt() {
            return Integer.parseInt(next());
        }
        long nextLong() {
            return Long.parseLong(next());
        }
        double nextDouble() {
            return Double.parseDouble(next());
        }
        String nextLine(){
            String str = "";
            try {
                str = br.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return str;
        }
    }
}