package main

import (
	"bufio"
	"fmt"
	"os"
	"strconv"
)

var sc = bufio.NewScanner(os.Stdin)

func Scanner() string {
	sc.Scan()
	return sc.Text()
}
func main() {
	buf := make([]byte, 0)
	sc.Buffer(buf, 100000007)
	sc.Split(bufio.ScanWords)
	n, _ := strconv.Atoi(Scanner())
	t, _ := strconv.Atoi(Scanner())
	a := make([]int, n)
	for i := 0; i < n; i++ {
		a[i], _ = strconv.Atoi(Scanner())
	}

	dp := make([]map[int]string, n)
	for i := 0; i < n; i++ {
		dp[i] = make(map[int]string)
	}

	dp[0][a[0]] = ""
	for i := 1; i < n; i++ {
		for j := range dp[i-1] {
			if j*a[i] <= t {
				dp[i][j*a[i]] = max(dp[i][j*a[i]], dp[i-1][j]+"*")
			}
			if j+a[i] <= t {
				dp[i][j+a[i]] = max(dp[i][j+a[i]], dp[i-1][j]+"+")
			}
		}
	}
	fmt.Println(dp[n-1][t])
}

func max(x string, y string) string {
	if x >= y {
		return x
	} else {
		return y
	}
}