local mfl, mce = math.floor, math.ceil
local n = io.read("*n")
local r = io.read("*n")
local a = {}
for i = 1, n do
  a[i] = io.read("*n")
end
local t = {}
for i = 1, n do
  t[i] = {}
  for j = 1, r do
    t[i][j] = false
  end
end
t[n][r] = true
for i = n, 2, -1 do
  for j = a[i] + 1, r do
    if t[i][j] then
      t[i - 1][j - a[i]] = true
    end
  end
  local lim = mfl(r / a[i])
  for j = 1, lim do
    if t[i][j * a[i]] then
      t[i - 1][j] = true
    end
  end
end
local cur = a[1]
for i = 1, n - 1 do
  if t[i + 1][cur + a[i + 1]] then
    io.write("+")
    cur = cur + a[i + 1]
  else
    io.write("*")
    cur = cur * a[i + 1]
  end
end
io.write("\n")