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

public class Main {

    public static void main(String[] args) throws Exception {

        BufferedReader br = new BufferedReader(new InputStreamReader(System.in));

        int n = Integer.parseInt(br.readLine());
        int total = Integer.parseInt(br.readLine());

        String[] tmpA = br.readLine().split(" ");
        int[] a = new int[tmpA.length];
        for (int i = 0; i < n; i++) {
            a[i] = Integer.parseInt(tmpA[i]);
        }

        String now[] = new String[total + 1];
        String next[] = new String[total + 1];

        int no1 = a[0];
        now[no1] = "";

        for (int i = 1; i < n; i++) {
            for (int j = 0; j <= total; j++) {
                if (now[j] == null) {
                    continue;
                }
                int nextAdd = j + a[i];
                int nextTime = j * a[i];

                if (nextAdd <= total) {
                    next[nextAdd] = compare(next[nextAdd], now[j] + "+");
                }
                if (nextTime <= total) {
                    next[nextTime] = compare(next[nextTime], now[j] + "*");
                }
            }

            now = next.clone();
            next = new String[total + 1];
        }

        System.out.println(now[total]);
    }

    private static String compare(String setted, String next) {
        if (setted == null) {
            return next;
        }

        if (setted.compareTo(next) < 0) {
            return next;
        }

        return setted;
    }
}