N = int(input())
total = int(input())
A = list(map(int, input().split()))

dp = [[0 for _ in range(total + 1)] for _ in range(N + 1)]
dp[N][total] = 1

for i in range(N - 1, -1, -1):
    for j in range(total + 1):
        if j + A[i] <= total and dp[i + 1][j + A[i]] == 1:
            dp[i][j] = 1

        if j * A[i] <= total and dp[i + 1][j * A[i]] == 1:
            dp[i][j] = 1

j = A[0]
ans = ''
for i in range(1, N):
    if j + A[i] <= total and dp[i + 1][j + A[i]] == 1:
        ans += '+'
        j += A[i]
        continue
    if j * A[i] <= total and dp[i + 1][j * A[i]] == 1:
        ans += '*'
        j *= A[i]

print(ans)