import sequtils,strutils
proc p2(i : int):int64=
    1.int64 shl i
var
    N = stdin.readline.parseInt
    T = stdin.readline.parseInt
    A = stdin.readline.split.map(parseInt)
    total : array[50,array[100001,int64]]
    i : int64
    ans = ""
total[0][A[0]] = p2(51)
for n in 1..<N:
    for j in 1..T:
        if total[n - 1][j] > 0 and j * A[n] <= T:
            total[n][j * A[n]] = max(total[n][j * A[n]], total[n - 1][j])
        if total[n - 1][j] > 0 and j + A[n] <= T:
            total[n][j + A[n]] = max(total[n][j + A[n]], total[n - 1][j] + p2(51 - n))
for j in 1..<N:
    i = total[N - 1][T]
    if (i and p2(51 - j)) > 0:
        ans &= "+"
    else:
        ans &= "*"
echo ans