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

dp = [['' for i in range(total + 1)] for j in range(n + 1)]

if total >= a[0] * a[1]:
    dp[2][a[0] * a[1]] = '*'
if total >= a[0] + a[1]:
    dp[2][a[0] + a[1]] = '+'

tmp = max(a[0] + a[1], a[0] * a[1])

for i in range(2, n):
    tmp = max(tmp * a[i], tmp + a[i])
    for j in range(1, min(tmp + 1, total) + 1):
        if dp[i][j] != '':
            if j * a[i] <= total:
                if dp[i + 1][j * a[i]] != '':
                    if dp[i][j] + '*' > dp[i + 1][j * a[i]]:
                        dp[i + 1][j * a[i]] = dp[i][j] + '*'
                else:
                    dp[i + 1][j * a[i]] = dp[i][j] + '*'

            if j + a[i] <= total:
                if dp[i + 1][j + a[i]] != '':
                    if dp[i][j] + '+' > dp[i + 1][j + a[i]]:
                        dp[i + 1][j + a[i]] = dp[i][j] + '+'
                else:
                    dp[i + 1][j + a[i]] = dp[i][j] + '+'

print(dp[n][total])