import sys

sys.setrecursionlimit(10**6)

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

A_list = A_list[::-1]

dp_dict = {}


def solve(i, j):
    if (i, j) in dp_dict:
        return dp_dict[i, j]
    if i == N-2:
        if j/A_list[i] == A_list[-1]:
            return "*"
        elif j-A_list[i] == A_list[-1]:
            return "+"
        else:
            return None
    a = None
    if j-A_list[i] >= 0:
        a = solve(i+1, j-A_list[i])
    b = None
    if j % A_list[i] == 0:
        b = solve(i+1, j/A_list[i])
    if a == None and b == None:
        return None
    if a == None:
        dp_dict[(i, j)] = ("*"+b)
        return "*"+b
    else:
        dp_dict[(i, j)] = ("*"+a)
        return "+"+a


print(solve(0, Total)[::-1])