import java.util.*;
import java.io.*;
import java.awt.geom.*;
import java.math.*;

public class No0010 {

	static final Scanner in = new Scanner(System.in);
	static final PrintWriter out = new PrintWriter(System.out,false);
	static boolean debug = false;

	static void solve() {
		int n = in.nextInt();
		int t = in.nextInt();
		int[] a = new int[n];
		for (int i=0; i<n; i++) {
			a[i] = in.nextInt();
		}

		StringBuilder[][] dp = new StringBuilder[n][t+1];
		dp[0][a[0]] = new StringBuilder();
		for (int i=0; i<n-1; i++) {
			for (int j=0; j<t+1; j++) {
				if (dp[i][j] == null) continue;

				if (j + a[i+1] < t+1) {
					if (dp[i+1][j+a[i+1]] == null) {
						dp[i+1][j+a[i+1]] = new StringBuilder(dp[i][j]);
						dp[i+1][j+a[i+1]].append('+');
					} else {
						StringBuilder sb = new StringBuilder();
						sb.append(dp[i][j]).append('+');
						if (sb.toString().compareTo(dp[i+1][j+a[i+1]].toString()) > 0) {
							dp[i+1][j+a[i+1]] = sb;
						}
					}
				}


				if (j * a[i+1] < t+1) {
					if (dp[i+1][j*a[i+1]] == null) {
						dp[i+1][j*a[i+1]] = new StringBuilder(dp[i][j]);
						dp[i+1][j*a[i+1]].append('*');
					} else {
						StringBuilder sb = new StringBuilder();
						sb.append(dp[i][j]).append('*');
						if (sb.toString().compareTo(dp[i+1][j*a[i+1]].toString()) > 0) {
							dp[i+1][j*a[i+1]] = sb;
						}
					}
				}
			}
		}

		out.println(dp[n-1][t]);
	}

	public static void main(String[] args) {
		debug = args.length > 0;
		long start = System.currentTimeMillis();

		solve();
		out.flush();

		long end = System.currentTimeMillis();
		dump((end-start) + "ms");
		in.close();
		out.close();
	}

	static void dump(Object... o) { if (debug) System.err.println(Arrays.deepToString(o)); }
}