def rev(lists, times, goal, num, ans=[]): # リスト 何回目 最終的な値 数値　答えの記録
    if times == len(lists) and goal == num:
        ans.append(True)
        return ans
    elif times == len(lists):
        ans.append(False)
        return ans
    
    for i in range(2):
        if i == 0:
            tmp = rev(lists, times+1, goal, num+lists[times], ans+['+'])
        elif i == 1:
            tmp = rev(lists, times+1, goal, num*lists[times], ans+['*'])
        
        if tmp != None:
            if tmp[-1]:   
                return tmp
             
n = int(input())
total = int(input())
a = list(map(int, input().split()))
# ans = rev(a, 0, total, st)

# [print(i, end='') for i in ans[:-1:]]
# print()

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

dp[2][a[0] + a[1]] = '+'
dp[2][a[0] * a[1]] = '*'

ans = []

for i in range(2, n):
    for j in range(total + 1):
        for k in range(2):
            if k == 0:
                if len(dp[i][j]) != 0 and j * a[i] <= total:
                    dp[i + 1][j * a[i]] = dp[i][j] + '*'
                    if i + 1 == n and j * a[i] == total:
                        ans.append(dp[i + 1][j * a[i]])
            if k == 1:
                if len(dp[i][j]) != 0 and j + a[i] <= total:
                    dp[i + 1][j + a[i]] = dp[i][j] + '+'
                    if i + 1 == n and j + a[i] == total:
                        ans.append(dp[i + 1][j + a[i]])
                                    
ans.sort(reverse = True)
print(ans[0])