import java.util.*;


public class Main_yukicoder10 {

    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        int n = sc.nextInt();
        int total = sc.nextInt();

        int[] a = new int[n];
        for (int i = 0; i < n; i++) {
        	a[i] = sc.nextInt();
        }

        String[][] dp = new String[n][total + 1];
        dp[0][a[0]] = "";

        for (int j = 1; j < n; j++) {
            for (int i = 1; i <= total; i++) {
        		if (dp[j - 1][i] == null) {
        			continue;
        		}

        		if (i * a[j] <= total) {
        			String tmp = dp[j - 1][i] + '*';
        			if (dp[j][i * a[j]] != null && dp[j][i * a[j]].compareTo(tmp) > 0) {
        			} else {
        				dp[j][i * a[j]] = tmp;
        			}
        		}
        		if (i + a[j] <= total) {
        			String tmp = dp[j - 1][i] + '+';
        			if (dp[j][i + a[j]] != null && dp[j][i + a[j]].compareTo(tmp) > 0) {
        			} else {
        				dp[j][i + a[j]] = tmp;
        			}
        		}
        	}
        }

        System.out.println(dp[n - 1][total]);

        sc.close();
    }
}