import sys
input=lambda: sys.stdin.readline().rstrip()
n=int(input())
t=int(input())
D=[[float("inf")]*(t+1) for _ in range(n+1)]
A=[int(i) for i in input().split()]
D[1][A[0]]=1
for i in range(1,n):
  a=A[i]
  for j in range(t+1):
    if D[i][j]==float("inf"):
      continue
    else:
      if j+a<=t:
        D[i+1][j+a]=min(D[i+1][j+a],D[i][j])
      if j*a<=t:
        D[i+1][j*a]=min(D[i+1][j*a],D[i][j]+pow(2,n-i))
res=str(bin(D[n][t]))[2:].zfill(n)
ans=""
for i in range(n-1):
  if res[i]=="0":
    ans+="+"
  else:
    ans+="*"
print(ans)