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] = dp[i][j]
            x = j * a[i]
            if x <= t:
                dp[i+1][x] = dp[i][j]
ans = str()
for i in reversed(range(1, n)):
    if dp[i][t - a[i]] == 1:
        ans += '+'
        t -= a[i]
    else:
        ans += '*'
        t //= a[i]

print(ans[::-1])