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

dp = [-1]*(t+1) # +: 1 *: 0
dp[a[0]] = 0
for ai in a[1:]:
    ndp = [-1]*(t+1)
    for i,xi in enumerate(dp):
        if xi==-1: continue
        if i*ai <= t:
            ndp[i*ai] = max(ndp[i*ai], xi*2)
        if i+ai <= t:
            ndp[i+ai] = max(ndp[i+ai], xi*2+1)
    dp = ndp

print("".join(["+" if dp[t]>>i&1 else "*" for i in range(n-2,-1,-1)]))