def f(k):
    global nums,sum,flags,dp

    if sum>total:
        return False

    if sum==total and len(flags)==(N-1):
        s=""
        for fl in flags:
            s+=fl

        print(s)
        exit()

    if k>=N-1:
        return


    '''
    print(dp)
    print(sum)
    input()
    '''
    if dp[k][sum]==False:

        #dp[k].append(sum)
        dp[k][sum]=True
        sum+=nums[k+1]
        flags.append("+")
        f(k+1)
        flags.pop()
        sum-=nums[k+1]

        hoge=sum
        sum=sum*nums[k+1]
        flags.append("*")
        f(k+1)
        flags.pop()
        sum=hoge

    #print(flags)


'''
N=4
total=31
nums=list(map(int,"1 2 10 1".split(" ")))
'''

N=int(input())
total=int(input())
nums=list(map(int,input().split(" ")))

flags=[]
dp=[[False for j in range(total+1)]for i in range(N+1)]
'''
import numpy as np
asum=[0]*N
aprod=[0]*N
for i in range(len(nums)):
    asum[i]=np.sum(nums[i::])
    aprod[i]=np.product(nums[i::])

'''
sum=nums[0]
f(0)