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

DP=[[[0,0] for _ in range(total+1)] for _ in range(n+1)]

DP[n][total][0]=1

for i in range(n-1,-1,-1):
    for j in range(A[i],total+1):
        if DP[i+1][j][0]==0 and DP[i+1][j][1]==0:
            continue
        if j%A[i]==0:
            DP[i][j//A[i]][1]=1
        DP[i][j-A[i]][0]=1


ans=""
num=A[0]

for i in range(1,n):
    if DP[i][num][0]==1:
        ans+="+"
        num+=A[i]
    else:
        ans+="*"
        num*=A[i]

print(ans)