n = int(input())
x = int(input())
A = list(map(int, input().split()))
ope = []

memo = set()
def dfs(t, tot):
    if t == n:
        if tot == x:
            print(*ope, sep="")
            exit()
        return
    if t + tot * n in memo:
        return
    if tot + A[t] <= x:
        ope.append("+")
        dfs(t + 1, tot + A[t])
        ope.pop()
    if tot * A[t] <= x:
        ope.append("*")
        dfs(t + 1, tot * A[t])
        ope.pop()
    memo.add(t + tot * n)

dfs(1, A[0])