n = gets.to_i
t = gets.to_i
a = gets.split.map(&:to_i)

# +: 0
# *: 1
# pass: inf
dp = Array.new(n + 1){ Array.new(t + 1, Float::INFINITY) }
dp[1][a[0]] = -1
(1...n).each do |x|
  (0..t).each do |y|
    next if dp[x][y] == Float::INFINITY
    dp[x + 1][y + a[x]] = [dp[x + 1][y + a[x]], 0].min if y + a[x] <= t
    dp[x + 1][y * a[x]] = [dp[x + 1][y * a[x]], 1].min if y * a[x] <= t
  end
end

stack = []
n.downto(2).each do |x|
  op = dp[x][t]
  if op == 0
    stack << "+"
    t -= a[x - 1]
  else
    stack << "*"
    t /= a[x - 1]
  end
end

puts stack.reverse.join