import sys

sys.setrecursionlimit(10**6)

N = int(input())
Total = int(input())
A_list = list(map(int, input().split()))

answer_list = [[] for i in range((N-1)**2)]

dp_list = []


def solve(i, j, operator):
    if (i, j) not in dp_list:
        dp_list.append((i, j))
    else:
        return
    if i == N:
        if j == Total:
            [print(i, end="") for i in operator]
            print("")
            exit()
        return
    if A_list[i]+j <= Total:
        temp = operator.copy()
        temp.append("+")
        solve(i+1, j+A_list[i], temp)

    if A_list[i]*j <= Total:
        temp = operator.copy()
        temp.append("*")
        solve(i+1, j * A_list[i], temp)


solve(1, A_list[0], [])