n = int(input())
t = int(input())
a = list(map(int, input().split()))

dp = [['0' for i in range(t+1)] for j in range(n+1)]
dp[1][a[0]] = '1'

for i in range(1, n):
    for j in range(t+1):
        if dp[i][j] != '0':
            x = j + a[i]
            if x <= t:
                dp[i+1][x] = max(dp[i+1][x], dp[i][j] + '+')
            x = j * a[i]
            if x <= t:
                dp[i+1][x] = max(dp[i+1][x], dp[i][j] + '*')

ans = dp[n][t]
print(ans[1:n])