N = int(input())
T = int(input())
A = list(map(int, input().split()))
tmp = []


def dfs(i, val):
    if i == N:
        if val == T:
            ans = "".join(tmp)
            print(ans.replace("0", "+").replace("1", "*"))
            return True
        return False

    if val + A[i] <= T:
        tmp.append("0")
        if dfs(i + 1, val + A[i]):
            return True
        tmp.pop()
    if val * A[i] <= T:
        tmp.append("1")
        if dfs(i + 1, val * A[i]):
            return True
        tmp.pop()
    return False


dfs(1, A[0])