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(1,N):
	for j in range(total//A[i]+1):
		dp[i][j*A[i]]=max(dp[i-1][j]+'*',dp[i][j*A[i]])
	for j in range(total-A[i]+1):
		dp[i][j+A[i]]=max(dp[i-1][j]+'+',dp[i][j+A[i]])
print(dp[N-1][total][1:])