# -*- coding: utf-8 -*-
import sys,copy,math,heapq,itertools as it,fractions,re,bisect,collections as coll

N = int(raw_input())
T = int(raw_input())
A = map(int, raw_input().split())
dp = [["c"] * (T + 1) for i in xrange(N)]
dp[0][A[0]] = ""

for i in xrange(1, N):
    for j in xrange(T + 1):
        if j + A[i] <= T:
            dp[i][j + A[i]] = min(dp[i][j + A[i]], dp[i - 1][j] + "a")
        if j * A[i] <= T:
            dp[i][j * A[i]] = min(dp[i][j * A[i]], dp[i - 1][j] + "b")

print dp[N - 1][T].replace("a", "+").replace("b", "*")