import sys
input=lambda:sys.stdin.readline().rstrip()
N=int(input())
total=int(input())
A=list(map(int,input().split()))
dp=[[')' for i in range(total+1)] for i in range(N)]
dp[0][A[0]]='0'
for i in range(N-1):
	for j in range(total+1):
		if dp[i][j]==-1:
			continue
		if j*A[i+1]<=total:
			dp[i+1][j*A[i+1]]=max(dp[i][j]+'*',dp[i+1][j*A[i+1]])
		if j+A[i+1]<=total:
			dp[i+1][j+A[i+1]]=max(dp[i][j]+'+',dp[i+1][j+A[i+1]])
print(dp[N-1][total][1:])