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

dp = [[10**18]*(total+1) for _ in range(N)]
dp[0][A[0]] = 0
for i in range(N-1):
    a = A[i+1]
    for j in range(1,total+1):
        if j*a <= total:
            dp[i+1][j*a] = min(dp[i+1][j*a], dp[i][j]+(1<<(N-2-i)))
        if j+a <= total:
            dp[i+1][j+a] = min(dp[i+1][j+a], dp[i][j])

print("".join(["*" if (dp[N-1][total]>>i)&1 else "+" for i in range(N-1)]))