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

    if sum>total:
        return False
    if sum==total:
        s=""
        for fl in flags:
            s+=fl

        print(s)
        exit()

    if k>=N-1:
        return


    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



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